TRD/AliTRDgeometry.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  TRD geometry class                                                       //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 #include <TGeoManager.h>
  25 #include <TGeoPhysicalNode.h>
  26 #include <TVirtualMC.h>
  27 #include <TMath.h>
  28
  29 #include "AliLog.h"
  30 #include "AliAlignObjParams.h"
  31
  32 #include "AliTRDgeometry.h"
  33 #include "AliTRDpadPlane.h"
  34
  35 ClassImp(AliTRDgeometry)
  36
  37 //_____________________________________________________________________________
  38
  39   //
  40   // The geometry constants
  41   //
  42   const Int_t    AliTRDgeometry::fgkNsector   = kNsector;
  43   const Int_t    AliTRDgeometry::fgkNlayer    = kNlayer;
  44   const Int_t    AliTRDgeometry::fgkNstack    = kNstack;
  45   const Int_t    AliTRDgeometry::fgkNdet      = kNdet;
  46
  47   //
  48   // Dimensions of the detector
  49   //
  50
  51   // Total length of the TRD mother volume
  52   const Float_t  AliTRDgeometry::fgkTlength   = 751.0;
  53
  54   // Parameter of the super module mother volumes
  55   const Float_t  AliTRDgeometry::fgkSheight   =  77.9;
  56   const Float_t  AliTRDgeometry::fgkSwidth1   =  94.881;
  57   const Float_t  AliTRDgeometry::fgkSwidth2   = 122.353;
  58   const Float_t  AliTRDgeometry::fgkSlength   = 702.0;
  59
  60   // Length of the additional space in front of the supermodule
  61   // used for services
  62   const Float_t  AliTRDgeometry::fgkFlength   = (AliTRDgeometry::fgkTlength
  63                                                - AliTRDgeometry::fgkSlength) / 2.0;
  64
  65   // The super module side plates
  66   const Float_t  AliTRDgeometry::fgkSMpltT    =   0.2;
  67
  68   // Vertical spacing of the chambers
  69   const Float_t  AliTRDgeometry::fgkVspace    =   1.784;
  70   // Horizontal spacing of the chambers
  71   const Float_t  AliTRDgeometry::fgkHspace    =   2.0;
  72   // Radial distance of the first ROC to the outer plates of the SM
  73   const Float_t  AliTRDgeometry::fgkVrocsm    =   1.2;
  74
  75   // Height of different chamber parts
  76   // Radiator
  77   const Float_t  AliTRDgeometry::fgkCraH      =   4.8;
  78   // Drift region
  79   const Float_t  AliTRDgeometry::fgkCdrH      =   3.0;
  80   // Amplification region
  81   const Float_t  AliTRDgeometry::fgkCamH      =   0.7;
  82   // Readout
  83   const Float_t  AliTRDgeometry::fgkCroH      =   2.316;
  84   // Additional width of the readout chamber frames
  85   const Float_t  AliTRDgeometry::fgkCroW      =   0.9;
  86   // Services on top of ROC
  87   const Float_t  AliTRDgeometry::fgkCsvH      = AliTRDgeometry::fgkVspace
  88                                               -   0.742;
  89   // Total height (w/o services)
  90   const Float_t  AliTRDgeometry::fgkCH        = AliTRDgeometry::fgkCraH
  91                                               + AliTRDgeometry::fgkCdrH
  92                                               + AliTRDgeometry::fgkCamH
  93                                               + AliTRDgeometry::fgkCroH;
  94   // Total height (with services)
  95
  96   const Float_t  AliTRDgeometry::fgkCHsv      = AliTRDgeometry::fgkCH
  97                                               + AliTRDgeometry::fgkCsvH;
  98
  99   // Distance of anode wire plane relative to middle of alignable volume
 100   const Float_t  AliTRDgeometry::fgkAnodePos  = AliTRDgeometry::fgkCraH
 101                                               + AliTRDgeometry::fgkCdrH
 102                                               + AliTRDgeometry::fgkCamH/2.0
 103                                               - AliTRDgeometry::fgkCHsv/2.0;
 104
 105   // Thicknesses of different parts of the chamber frame
 106   // Lower aluminum frame
 107   const Float_t  AliTRDgeometry::fgkCalT      =   0.4;
 108   // Lower Wacosit frame sides
 109   const Float_t  AliTRDgeometry::fgkCclsT     =   0.21;
 110   // Lower Wacosit frame front
 111   const Float_t  AliTRDgeometry::fgkCclfT     =   1.0;
 112   // Thickness of glue around radiator
 113   const Float_t  AliTRDgeometry::fgkCglT      =   0.25;
 114   // Upper Wacosit frame around amplification region
 115   const Float_t  AliTRDgeometry::fgkCcuTa     =   1.0;
 116   const Float_t  AliTRDgeometry::fgkCcuTb     =   0.8;
 117   // Al frame of back panel
 118   const Float_t  AliTRDgeometry::fgkCauT      =   1.5;
 119   // Additional Al ledge at the lower chamber frame
 120   // Actually the dimensions are not realistic, but
 121   // modified in order to allow to mis-alignment.
 122   // The amount of material is, however, correct
 123   const Float_t  AliTRDgeometry::fgkCalW      =   2.5;
 124   const Float_t  AliTRDgeometry::fgkCalH      =   0.4;
 125   const Float_t  AliTRDgeometry::fgkCalWmod   =   0.4;
 126   const Float_t  AliTRDgeometry::fgkCalHmod   =   2.5;
 127   // Additional Wacosit ledge at the lower chamber frame
 128   const Float_t  AliTRDgeometry::fgkCwsW      =   1.2;
 129   const Float_t  AliTRDgeometry::fgkCwsH      =   0.3;
 130
 131   // Difference of outer chamber width and pad plane width
 132   const Float_t  AliTRDgeometry::fgkCpadW     =   0.0;
 133   const Float_t  AliTRDgeometry::fgkRpadW     =   1.0;
 134
 135   //
 136   // Thickness of the the material layers
 137   //
 138   const Float_t  AliTRDgeometry::fgkDrThick   = AliTRDgeometry::fgkCdrH;
 139   const Float_t  AliTRDgeometry::fgkAmThick   = AliTRDgeometry::fgkCamH;
 140   const Float_t  AliTRDgeometry::fgkXeThick   = AliTRDgeometry::fgkDrThick
 141                                               + AliTRDgeometry::fgkAmThick;
 142   const Float_t  AliTRDgeometry::fgkWrThick   = 0.00011;
 143
 144   const Float_t  AliTRDgeometry::fgkRMyThick  = 0.0015;
 145   const Float_t  AliTRDgeometry::fgkRCbThick  = 0.0055;
 146   const Float_t  AliTRDgeometry::fgkRGlThick  = 0.0065;
 147   const Float_t  AliTRDgeometry::fgkRRhThick  = 0.8;
 148   const Float_t  AliTRDgeometry::fgkRFbThick  = fgkCraH - 2.0 * (fgkRMyThick
 149                                                                + fgkRCbThick
 150                                                                + fgkRRhThick);
 151
 152   const Float_t  AliTRDgeometry::fgkPPdThick  = 0.0025;
 153   const Float_t  AliTRDgeometry::fgkPPpThick  = 0.0356;
 154   const Float_t  AliTRDgeometry::fgkPGlThick  = 0.1428;
 155   const Float_t  AliTRDgeometry::fgkPCbThick  = 0.019;
 156   const Float_t  AliTRDgeometry::fgkPPcThick  = 0.0486;
 157   const Float_t  AliTRDgeometry::fgkPRbThick  = 0.0057;
 158   const Float_t  AliTRDgeometry::fgkPElThick  = 0.0029;
 159   const Float_t  AliTRDgeometry::fgkPHcThick  = fgkCroH - fgkPPdThick
 160                                                         - fgkPPpThick
 161                                                         - fgkPGlThick
 162                                                         - fgkPCbThick * 2.0
 163                                                         - fgkPPcThick
 164                                                         - fgkPRbThick
 165                                                         - fgkPElThick;
 166
 167   //
 168   // Position of the material layers
 169   //
 170   const Float_t  AliTRDgeometry::fgkDrZpos    =  2.4;
 171   const Float_t  AliTRDgeometry::fgkAmZpos    =  0.0;
 172   const Float_t  AliTRDgeometry::fgkWrZposA   =  0.0;
 173   const Float_t  AliTRDgeometry::fgkWrZposB   = -fgkAmThick/2.0 + 0.001;
 174   const Float_t  AliTRDgeometry::fgkCalZpos   =  0.3;
 175
 176   const Int_t    AliTRDgeometry::fgkMCMmax    = 16;
 177   const Int_t    AliTRDgeometry::fgkMCMrow    = 4;
 178   const Int_t    AliTRDgeometry::fgkROBmaxC0  = 6;
 179   const Int_t    AliTRDgeometry::fgkROBmaxC1  = 8;
 180   const Int_t    AliTRDgeometry::fgkADCmax    = 21;
 181   const Int_t    AliTRDgeometry::fgkTBmax     = 60;
 182   const Int_t    AliTRDgeometry::fgkPadmax    = 18;
 183   const Int_t    AliTRDgeometry::fgkColmax    = 144;
 184   const Int_t    AliTRDgeometry::fgkRowmaxC0  = 12;
 185   const Int_t    AliTRDgeometry::fgkRowmaxC1  = 16;
 186
 187   const Double_t AliTRDgeometry::fgkTime0Base = 300.65;
 188   const Float_t  AliTRDgeometry::fgkTime0[6]  = { fgkTime0Base + 0 * (Cheight() + Cspace())
 189                                                 , fgkTime0Base + 1 * (Cheight() + Cspace())
 190                                                 , fgkTime0Base + 2 * (Cheight() + Cspace())
 191                                                 , fgkTime0Base + 3 * (Cheight() + Cspace())
 192                                                 , fgkTime0Base + 4 * (Cheight() + Cspace())
 193                                                 , fgkTime0Base + 5 * (Cheight() + Cspace())};
 194
 195   const Double_t AliTRDgeometry::fgkXtrdBeg   = 288.43; // Values depend on position of TRD
 196   const Double_t AliTRDgeometry::fgkXtrdEnd   = 366.33; // mother volume inside space frame !!!
 197
 198   // The outer width of the chambers
 199   const Float_t AliTRDgeometry::fgkCwidth[kNlayer] = {  90.4,  94.8,  99.3, 103.7, 108.1, 112.6 };
 200
 201   // The outer lengths of the chambers
 202   // Includes the spacings between the chambers!
 203   const Float_t AliTRDgeometry::fgkClength[kNlayer][kNstack] = { { 124.0, 124.0, 110.0, 124.0, 124.0 }
 204                                                               , { 124.0, 124.0, 110.0, 124.0, 124.0 }
 205                                                               , { 131.0, 131.0, 110.0, 131.0, 131.0 }
 206                                                               , { 138.0, 138.0, 110.0, 138.0, 138.0 }
 207                                                               , { 145.0, 145.0, 110.0, 145.0, 145.0 }
 208                                                               , { 147.0, 147.0, 110.0, 147.0, 147.0 } };
 209
 210         Char_t  AliTRDgeometry::fgSMstatus[kNsector]         = { 1, 1, 1, 1, 1, 1, 1, 1, 1
 211                                                                , 1, 1, 1, 1, 1, 1, 1, 1, 1 };
 212
 213   TObjArray* AliTRDgeometry::fgClusterMatrixArray = NULL;
 214
 215   TObjArray* AliTRDgeometry::fgPadPlaneArray = NULL;
 216
 217 //_____________________________________________________________________________
 218 AliTRDgeometry::AliTRDgeometry()
 219 {
 220   //
 221   // AliTRDgeometry default constructor
 222   //
 223
 224 }
 225
 226 //_____________________________________________________________________________
 227 AliTRDgeometry::~AliTRDgeometry()
 228 {
 229   //
 230   // AliTRDgeometry destructor
 231   //
 232
 233 }
 234
 235 //_____________________________________________________________________________
 236 void AliTRDgeometry::CreatePadPlaneArray()
 237 {
 238   //
 239   // Creates the array of AliTRDpadPlane objects
 240   //
 241
 242   if (fgPadPlaneArray)
 243     return;
 244
 245   static TObjArray padPlaneArray(fgkNlayer * fgkNstack);
 246   padPlaneArray.SetOwner(kTRUE);
 247
 248   fgPadPlaneArray = &padPlaneArray;
 249   for (Int_t ilayer = 0; ilayer < fgkNlayer; ilayer++) {
 250     for (Int_t istack = 0; istack < fgkNstack; istack++) {
 251       Int_t ipp = GetDetectorSec(ilayer,istack);
 252       fgPadPlaneArray->AddAt(CreatePadPlane(ilayer,istack),ipp);
 253     }
 254   }
 255
 256 }
 257
 258 //_____________________________________________________________________________
 259 AliTRDpadPlane *AliTRDgeometry::CreatePadPlane(Int_t ilayer, Int_t istack)
 260 {
 261   //
 262   // Creates an AliTRDpadPlane object
 263   //
 264
 265   AliTRDpadPlane *padPlane = new AliTRDpadPlane();
 266
 267   padPlane->SetLayer(ilayer);
 268   padPlane->SetStack(istack);
 269
 270   padPlane->SetRowSpacing(0.0);
 271   padPlane->SetColSpacing(0.0);
 272
 273   padPlane->SetLengthRim(1.0);
 274   padPlane->SetWidthRim(0.5);
 275
 276   padPlane->SetNcols(144);
 277
 278   padPlane->SetAnodeWireOffset(0.25);
 279
 280   //
 281   // The pad plane parameter
 282   //
 283   const Float_t kTiltAngle = 2.0;
 284   switch (ilayer) {
 285   case 0:
 286     if (istack == 2) {
 287       // L0C0 type
 288       padPlane->SetNrows(12);
 289       padPlane->SetLength(108.0);
 290       padPlane->SetLengthOPad(8.0);
 291       padPlane->SetLengthIPad(9.0);
 292     }
 293     else {
 294       // L0C1 type
 295       padPlane->SetNrows(16);
 296       padPlane->SetLength(122.0);
 297       padPlane->SetLengthOPad(7.5);
 298       padPlane->SetLengthIPad(7.5);
 299     }
 300     padPlane->SetWidth(92.2);
 301     padPlane->SetWidthOPad(0.515);
 302     padPlane->SetWidthIPad(0.635);
 303     padPlane->SetTiltingAngle(-kTiltAngle);
 304     break;
 305   case 1:
 306     if (istack == 2) {
 307       // L1C0 type
 308       padPlane->SetNrows(12);
 309       padPlane->SetLength(108.0);
 310       padPlane->SetLengthOPad(8.0);
 311       padPlane->SetLengthIPad(9.0);
 312     }
 313     else {
 314       // L1C1 type
 315       padPlane->SetNrows(16);
 316       padPlane->SetLength(122.0);
 317       padPlane->SetLengthOPad(7.5);
 318       padPlane->SetLengthIPad(7.5);
 319     }
 320     padPlane->SetWidth(96.6);
 321     padPlane->SetWidthOPad(0.585);
 322     padPlane->SetWidthIPad(0.665);
 323     padPlane->SetTiltingAngle(kTiltAngle);
 324     break;
 325   case 2:
 326     if (istack == 2) {
 327       // L2C0 type
 328       padPlane->SetNrows(12);
 329       padPlane->SetLength(108.0);
 330       padPlane->SetLengthOPad(8.0);
 331       padPlane->SetLengthIPad(9.0);
 332     }
 333     else {
 334       // L2C1 type
 335       padPlane->SetNrows(16);
 336       padPlane->SetLength(129.0);
 337       padPlane->SetLengthOPad(7.5);
 338       padPlane->SetLengthIPad(8.0);
 339     }
 340     padPlane->SetWidth(101.1);
 341     padPlane->SetWidthOPad(0.705);
 342     padPlane->SetWidthIPad(0.695);
 343     padPlane->SetTiltingAngle(-kTiltAngle);
 344     break;
 345   case 3:
 346     if (istack == 2) {
 347       // L3C0 type
 348       padPlane->SetNrows(12);
 349       padPlane->SetLength(108.0);
 350       padPlane->SetLengthOPad(8.0);
 351       padPlane->SetLengthIPad(9.0);
 352     }
 353     else {
 354       // L3C1 type
 355       padPlane->SetNrows(16);
 356       padPlane->SetLength(136.0);
 357       padPlane->SetLengthOPad(7.5);
 358       padPlane->SetLengthIPad(8.5);
 359     }
 360     padPlane->SetWidth(105.5);
 361     padPlane->SetWidthOPad(0.775);
 362     padPlane->SetWidthIPad(0.725);
 363     padPlane->SetTiltingAngle(kTiltAngle);
 364     break;
 365   case 4:
 366     if (istack == 2) {
 367       // L4C0 type
 368       padPlane->SetNrows(12);
 369       padPlane->SetLength(108.0);
 370       padPlane->SetLengthOPad(8.0);
 371     }
 372     else {
 373       // L4C1 type
 374       padPlane->SetNrows(16);
 375       padPlane->SetLength(143.0);
 376       padPlane->SetLengthOPad(7.5);
 377     }
 378     padPlane->SetWidth(109.9);
 379     padPlane->SetWidthOPad(0.845);
 380     padPlane->SetLengthIPad(9.0);
 381     padPlane->SetWidthIPad(0.755);
 382     padPlane->SetTiltingAngle(-kTiltAngle);
 383     break;
 384   case 5:
 385     if (istack == 2) {
 386       // L5C0 type
 387       padPlane->SetNrows(12);
 388       padPlane->SetLength(108.0);
 389       padPlane->SetLengthOPad(8.0);
 390     }
 391     else {
 392       // L5C1 type
 393       padPlane->SetNrows(16);
 394       padPlane->SetLength(145.0);
 395       padPlane->SetLengthOPad(8.5);
 396     }
 397     padPlane->SetWidth(114.4);
 398     padPlane->SetWidthOPad(0.965);
 399     padPlane->SetLengthIPad(9.0);
 400     padPlane->SetWidthIPad(0.785);
 401     padPlane->SetTiltingAngle(kTiltAngle);
 402     break;
 403   };
 404
 405   //
 406   // The positions of the borders of the pads
 407   //
 408   // Row direction
 409   //
 410   Double_t row = fgkClength[ilayer][istack] / 2.0
 411                - fgkRpadW
 412                - padPlane->GetLengthRim();
 413   for (Int_t ir = 0; ir < padPlane->GetNrows(); ir++) {
 414     padPlane->SetPadRow(ir,row);
 415     row -= padPlane->GetRowSpacing();
 416     if (ir == 0) {
 417       row -= padPlane->GetLengthOPad();
 418     }
 419     else {
 420       row -= padPlane->GetLengthIPad();
 421     }
 422   }
 423   //
 424   // Column direction
 425   //
 426   Double_t col = - fgkCwidth[ilayer] / 2.0
 427                  - fgkCroW
 428                  + padPlane->GetWidthRim();
 429   for (Int_t ic = 0; ic < padPlane->GetNcols(); ic++) {
 430     padPlane->SetPadCol(ic,col);
 431     col += padPlane->GetColSpacing();
 432     if (ic == 0) {
 433       col += padPlane->GetWidthOPad();
 434     }
 435     else {
 436       col += padPlane->GetWidthIPad();
 437     }
 438   }
 439   // Calculate the offset to translate from the local ROC system into
 440   // the local supermodule system, which is used for clusters
 441   Double_t rowTmp = fgkClength[ilayer][0]
 442                   + fgkClength[ilayer][1]
 443                   + fgkClength[ilayer][2] / 2.0;
 444   for (Int_t jstack = 0; jstack < istack; jstack++) {
 445     rowTmp -= fgkClength[ilayer][jstack];
 446   }
 447   padPlane->SetPadRowSMOffset(rowTmp - fgkClength[ilayer][istack]/2.0);
 448
 449   return padPlane;
 450
 451 }
 452
 453 //_____________________________________________________________________________
 454 void AliTRDgeometry::CreateGeometry(Int_t *idtmed)
 455 {
 456   //
 457   // Create the TRD geometry
 458   //
 459   //
 460   // Names of the TRD volumina (xx = detector number):
 461   //
 462   //   Volume (Air) wrapping the readout chamber components
 463   //     UTxx    includes: UAxx, UDxx, UFxx, UUxx
 464   //
 465   //   Lower part of the readout chambers (drift volume + radiator)
 466   //     UAxx    Aluminum frames                (Al)
 467   //
 468   //   Upper part of the readout chambers (readout plane + fee)
 469   //     UDxx    Wacosit frames of amp. region  (Wacosit)
 470   //     UFxx    Aluminum frame of back panel   (Al)
 471   //
 472   //   Services on chambers (cooling, cables, MCMs, DCS boards, ...)
 473   //     UUxx    Volume containing the services (Air)
 474   //
 475   //   Material layers inside sensitive area:
 476   //     Name    Description                     Mat.      Thick.   Dens.    Radl.    X/X_0
 477   //
 478   //     URMYxx  Mylar layers (x2)               Mylar     0.0015   1.39     28.5464  0.005%
 479   //     URCBxx  Carbon layer (x2)               Carbon    0.0055   1.75     24.2824  0.023%
 480   //     URGLxx  Glue on the carbon layers (x2)  Araldite  0.0065   1.12     37.0664  0.018%
 481   //     URRHxx  Rohacell layer (x2)             Rohacell  0.8      0.075    536.005  0.149%
 482   //     URFBxx  Fiber mat layer                 PP        3.186    0.068    649.727  0.490%
 483   //
 484   //     UJxx    Drift region                    Xe/CO2    3.0      0.00495  1792.37  0.167%
 485   //     UKxx    Amplification region            Xe/CO2    0.7      0.00495  1792.37  0.039%
 486   //     UWxx    Wire planes (x2)                Copper    0.00011  8.96     1.43503  0.008%
 487   //
 488   //     UPPDxx  Copper of pad plane             Copper    0.0025   8.96     1.43503  0.174%
 489   //     UPPPxx  PCB of pad plane                G10       0.0356   2.0      14.9013  0.239%
 490   //     UPGLxx  Glue on pad planes              Araldite  0.0923   1.12     37.0664  0.249%
 491   //             + add. glue (ca. 600g)          Araldite  0.0505   1.12     37.0663  0.107%
 492   //     UPCBxx  Carbon fiber mats (x2)          Carbon    0.019    1.75     24.2824  0.078%
 493   //     UPHCxx  Honeycomb structure             Aramide   2.0299   0.032    1198.84  0.169%
 494   //     UPPCxx  PCB of readout board            G10       0.0486   2.0      14.9013  0.326%
 495   //     UPRDxx  Copper of readout board         Copper    0.0057   8.96     1.43503  0.404%
 496   //     UPELxx  Electronics + cables            Copper    0.0029   8.96     1.43503  0.202%
 497   //
 498
 499   const Int_t kNparTrd = 4;
 500   const Int_t kNparCha = 3;
 501
 502   Float_t xpos;
 503   Float_t ypos;
 504   Float_t zpos;
 505
 506   Float_t parTrd[kNparTrd];
 507   Float_t parCha[kNparCha];
 508
 509   const Int_t kTag = 100;
 510   Char_t  cTagV[kTag];
 511   Char_t  cTagM[kTag];
 512
 513   // There are three TRD volumes for the supermodules in order to accomodate
 514   // the different arrangements in front of PHOS
 515   // UTR1: Default supermodule
 516   // UTR2: Supermodule in front of PHOS with double carbon cover
 517   // UTR3: As UTR2, but w/o middle stack
 518   //
 519   // The mother volume for one sector (Air), full length in z-direction
 520   // Provides material for side plates of super module
 521   parTrd[0] = fgkSwidth1/2.0;
 522   parTrd[1] = fgkSwidth2/2.0;
 523   parTrd[2] = fgkSlength/2.0;
 524   parTrd[3] = fgkSheight/2.0;
 525   gMC->Gsvolu("UTR1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 526   gMC->Gsvolu("UTR2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 527   gMC->Gsvolu("UTR3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 528   // The outer aluminum plates of the super module (Al)
 529   parTrd[0] = fgkSwidth1/2.0;
 530   parTrd[1] = fgkSwidth2/2.0;
 531   parTrd[2] = fgkSlength/2.0;
 532   parTrd[3] = fgkSheight/2.0;
 533   gMC->Gsvolu("UTS1","TRD1",idtmed[1301-1],parTrd,kNparTrd);
 534   gMC->Gsvolu("UTS2","TRD1",idtmed[1301-1],parTrd,kNparTrd);
 535   gMC->Gsvolu("UTS3","TRD1",idtmed[1301-1],parTrd,kNparTrd);
 536   // The inner part of the TRD mother volume for one sector (Air),
 537   // full length in z-direction
 538   parTrd[0] = fgkSwidth1/2.0 - fgkSMpltT;
 539   parTrd[1] = fgkSwidth2/2.0 - fgkSMpltT;
 540   parTrd[2] = fgkSlength/2.0;
 541   parTrd[3] = fgkSheight/2.0 - fgkSMpltT;
 542   gMC->Gsvolu("UTI1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 543   gMC->Gsvolu("UTI2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 544   gMC->Gsvolu("UTI3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 545
 546   // The inner part of the TRD mother volume for services in front
 547   // of the supermodules  (Air),
 548   parTrd[0] = fgkSwidth1/2.0;
 549   parTrd[1] = fgkSwidth2/2.0;
 550   parTrd[2] = fgkFlength/2.0;
 551   parTrd[3] = fgkSheight/2.0;
 552   gMC->Gsvolu("UTF1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 553   gMC->Gsvolu("UTF2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
 554
 555   for (Int_t istack = 0; istack < kNstack; istack++) {
 556     for (Int_t ilayer = 0; ilayer < kNlayer; ilayer++) {
 557
 558       Int_t iDet = GetDetectorSec(ilayer,istack);
 559
 560       // The lower part of the readout chambers (drift volume + radiator)
 561       // The aluminum frames
 562       snprintf(cTagV,kTag,"UA%02d",iDet);
 563       parCha[0] = fgkCwidth[ilayer]/2.0;
 564       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 565       parCha[2] = fgkCraH/2.0 + fgkCdrH/2.0;
 566       gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
 567       // The additional aluminum on the frames
 568       // This part has not the correct shape but is just supposed to
 569       // represent the missing material. The correct form of the L-shaped
 570       // profile would not fit into the alignable volume.
 571       snprintf(cTagV,kTag,"UZ%02d",iDet);
 572       parCha[0] = fgkCalWmod/2.0;
 573       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 574       parCha[2] = fgkCalHmod/2.0;
 575       gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
 576       // The additional Wacosit on the frames
 577       snprintf(cTagV,kTag,"UP%02d",iDet);
 578       parCha[0] = fgkCwsW/2.0;
 579       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 580       parCha[2] = fgkCwsH/2.0;
 581       gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
 582       // The Wacosit frames
 583       snprintf(cTagV,kTag,"UB%02d",iDet);
 584       parCha[0] = fgkCwidth[ilayer]/2.0 - fgkCalT;
 585       parCha[1] = -1.0;
 586       parCha[2] = -1.0;
 587       gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
 588       // The glue around the radiator
 589       snprintf(cTagV,kTag,"UX%02d",iDet);
 590       parCha[0] = fgkCwidth[ilayer]/2.0 - fgkCalT - fgkCclsT;
 591       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCclfT;
 592       parCha[2] = fgkCraH/2.0;
 593       gMC->Gsvolu(cTagV,"BOX ",idtmed[1311-1],parCha,kNparCha);
 594       // The inner part of radiator (air)
 595       snprintf(cTagV,kTag,"UC%02d",iDet);
 596       parCha[0] = fgkCwidth[ilayer]/2.0 - fgkCalT - fgkCclsT - fgkCglT;
 597       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCclfT - fgkCglT;
 598       parCha[2] = -1.0;
 599       gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
 600
 601       // The upper part of the readout chambers (amplification volume)
 602       // The Wacosit frames
 603       snprintf(cTagV,kTag,"UD%02d",iDet);
 604       parCha[0] = fgkCwidth[ilayer]/2.0 + fgkCroW;
 605       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 606       parCha[2] = fgkCamH/2.0;
 607       gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
 608       // The inner part of the Wacosit frame (air)
 609       snprintf(cTagV,kTag,"UE%02d",iDet);
 610       parCha[0] = fgkCwidth[ilayer]/2.0 + fgkCroW - fgkCcuTb;
 611       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCcuTa;
 612       parCha[2] = -1.;
 613       gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
 614
 615       // The back panel, including pad plane and readout boards
 616       // The aluminum frames
 617       snprintf(cTagV,kTag,"UF%02d",iDet);
 618       parCha[0] = fgkCwidth[ilayer]/2.0 + fgkCroW;
 619       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0;
 620       parCha[2] = fgkCroH/2.0;
 621       gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
 622       // The inner part of the aluminum frames
 623       snprintf(cTagV,kTag,"UG%02d",iDet);
 624       parCha[0] = fgkCwidth[ilayer]/2.0 + fgkCroW - fgkCauT;
 625       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCauT;
 626       parCha[2] = -1.0;
 627       gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
 628
 629       //
 630       // The material layers inside the chambers
 631       //
 632
 633       // Mylar layer (radiator)
 634       parCha[0] = -1.0;
 635       parCha[1] = -1.0;
 636       parCha[2] = fgkRMyThick/2.0;
 637       snprintf(cTagV,kTag,"URMY%02d",iDet);
 638       gMC->Gsvolu(cTagV,"BOX ",idtmed[1327-1],parCha,kNparCha);
 639       // Carbon layer (radiator)
 640       parCha[0] = -1.0;
 641       parCha[1] = -1.0;
 642       parCha[2] = fgkRCbThick/2.0;
 643       snprintf(cTagV,kTag,"URCB%02d",iDet);
 644       gMC->Gsvolu(cTagV,"BOX ",idtmed[1326-1],parCha,kNparCha);
 645       // Araldite layer (radiator)
 646       parCha[0] = -1.0;
 647       parCha[1] = -1.0;
 648       parCha[2] = fgkRGlThick/2.0;
 649       snprintf(cTagV,kTag,"URGL%02d",iDet);
 650       gMC->Gsvolu(cTagV,"BOX ",idtmed[1311-1],parCha,kNparCha);
 651       // Rohacell layer (radiator)
 652       parCha[0] = -1.0;
 653       parCha[1] = -1.0;
 654       parCha[2] = fgkRRhThick/2.0;
 655       snprintf(cTagV,kTag,"URRH%02d",iDet);
 656       gMC->Gsvolu(cTagV,"BOX ",idtmed[1315-1],parCha,kNparCha);
 657       // Fiber layer (radiator)
 658       parCha[0] = -1.0;
 659       parCha[1] = -1.0;
 660       parCha[2] = fgkRFbThick/2.0;
 661       snprintf(cTagV,kTag,"URFB%02d",iDet);
 662       gMC->Gsvolu(cTagV,"BOX ",idtmed[1328-1],parCha,kNparCha);
 663
 664       // Xe/Isobutane layer (drift volume)
 665       parCha[0] = fgkCwidth[ilayer]/2.0 - fgkCalT - fgkCclsT;
 666       parCha[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0 - fgkCclfT;
 667       parCha[2] = fgkDrThick/2.0;
 668       snprintf(cTagV,kTag,"UJ%02d",iDet);
 669       gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
 670
 671       // Xe/Isobutane layer (amplification volume)
 672       parCha[0] = -1.0;
 673       parCha[1] = -1.0;
 674       parCha[2] = fgkAmThick/2.0;
 675       snprintf(cTagV,kTag,"UK%02d",iDet);
 676       gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
 677       // Cu layer (wire plane)
 678       parCha[0] = -1.0;
 679       parCha[1] = -1.0;
 680       parCha[2] = fgkWrThick/2.0;
 681       snprintf(cTagV,kTag,"UW%02d",iDet);
 682       gMC->Gsvolu(cTagV,"BOX ",idtmed[1303-1],parCha,kNparCha);
 683
 684       // Cu layer (pad plane)
 685       parCha[0] = -1.0;
 686       parCha[1] = -1.0;
 687       parCha[2] = fgkPPdThick/2.0;
 688       snprintf(cTagV,kTag,"UPPD%02d",iDet);
 689       gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
 690       // G10 layer (pad plane)
 691       parCha[0] = -1.0;
 692       parCha[1] = -1.0;
 693       parCha[2] = fgkPPpThick/2.0;
 694       snprintf(cTagV,kTag,"UPPP%02d",iDet);
 695       gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
 696       // Araldite layer (glue)
 697       parCha[0] = -1.0;
 698       parCha[1] = -1.0;
 699       parCha[2] = fgkPGlThick/2.0;
 700       snprintf(cTagV,kTag,"UPGL%02d",iDet);
 701       gMC->Gsvolu(cTagV,"BOX ",idtmed[1311-1],parCha,kNparCha);
 702       // Carbon layer (carbon fiber mats)
 703       parCha[0] = -1.0;
 704       parCha[1] = -1.0;
 705       parCha[2] = fgkPCbThick/2.0;
 706       snprintf(cTagV,kTag,"UPCB%02d",iDet);
 707       gMC->Gsvolu(cTagV,"BOX ",idtmed[1326-1],parCha,kNparCha);
 708       // Aramide layer (honeycomb)
 709       parCha[0] = -1.0;
 710       parCha[1] = -1.0;
 711       parCha[2] = fgkPHcThick/2.0;
 712       snprintf(cTagV,kTag,"UPHC%02d",iDet);
 713       gMC->Gsvolu(cTagV,"BOX ",idtmed[1310-1],parCha,kNparCha);
 714       // G10 layer (PCB readout board)
 715       parCha[0] = -1.0;
 716       parCha[1] = -1.0;
 717       parCha[2] = fgkPPcThick/2;
 718       snprintf(cTagV,kTag,"UPPC%02d",iDet);
 719       gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
 720       // Cu layer (traces in readout board)
 721       parCha[0] = -1.0;
 722       parCha[1] = -1.0;
 723       parCha[2] = fgkPRbThick/2.0;
 724       snprintf(cTagV,kTag,"UPRB%02d",iDet);
 725       gMC->Gsvolu(cTagV,"BOX ",idtmed[1306-1],parCha,kNparCha);
 726       // Cu layer (other material on in readout board, incl. screws)
 727       parCha[0] = -1.0;
 728       parCha[1] = -1.0;
 729       parCha[2] = fgkPElThick/2.0;
 730       snprintf(cTagV,kTag,"UPEL%02d",iDet);
 731       gMC->Gsvolu(cTagV,"BOX ",idtmed[1304-1],parCha,kNparCha);
 732
 733       //
 734       // Position the layers in the chambers
 735       //
 736       xpos = 0.0;
 737       ypos = 0.0;
 738
 739       // Lower part
 740       // Mylar layers (radiator)
 741       zpos =  fgkRMyThick/2.0 - fgkCraH/2.0;
 742       snprintf(cTagV,kTag,"URMY%02d",iDet);
 743       snprintf(cTagM,kTag,"UC%02d",iDet);
 744       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 745       zpos = -fgkRMyThick/2.0 + fgkCraH/2.0;
 746       snprintf(cTagV,kTag,"URMY%02d",iDet);
 747       snprintf(cTagM,kTag,"UC%02d",iDet);
 748       gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
 749       // Carbon layers (radiator)
 750       zpos =  fgkRCbThick/2.0 + fgkRMyThick - fgkCraH/2.0;
 751       snprintf(cTagV,kTag,"URCB%02d",iDet);
 752       snprintf(cTagM,kTag,"UC%02d",iDet);
 753       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 754       zpos = -fgkRCbThick/2.0 - fgkRMyThick + fgkCraH/2.0;
 755       snprintf(cTagV,kTag,"URCB%02d",iDet);
 756       snprintf(cTagM,kTag,"UC%02d",iDet);
 757       gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
 758       // Carbon layers (radiator)
 759       zpos =  fgkRGlThick/2.0 + fgkRCbThick + fgkRMyThick - fgkCraH/2.0;
 760       snprintf(cTagV,kTag,"URGL%02d",iDet);
 761       snprintf(cTagM,kTag,"UC%02d",iDet);
 762       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 763       zpos = -fgkRGlThick/2.0 - fgkRCbThick - fgkRMyThick + fgkCraH/2.0;
 764       snprintf(cTagV,kTag,"URGL%02d",iDet);
 765       snprintf(cTagM,kTag,"UC%02d",iDet);
 766       gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
 767       // Rohacell layers (radiator)
 768       zpos =  fgkRRhThick/2.0 + fgkRGlThick + fgkRCbThick + fgkRMyThick - fgkCraH/2.0;
 769       snprintf(cTagV,kTag,"URRH%02d",iDet);
 770       snprintf(cTagM,kTag,"UC%02d",iDet);
 771       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 772       zpos = -fgkRRhThick/2.0 - fgkRGlThick - fgkRCbThick - fgkRMyThick + fgkCraH/2.0;
 773       snprintf(cTagV,kTag,"URRH%02d",iDet);
 774       snprintf(cTagM,kTag,"UC%02d",iDet);
 775       gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
 776       // Fiber layers (radiator)
 777       zpos =  0.0;
 778       snprintf(cTagV,kTag,"URFB%02d",iDet);
 779       snprintf(cTagM,kTag,"UC%02d",iDet);
 780       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 781
 782       // Xe/Isobutane layer (drift volume)
 783       zpos = fgkDrZpos;
 784       snprintf(cTagV,kTag,"UJ%02d",iDet);
 785       snprintf(cTagM,kTag,"UB%02d",iDet);
 786       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 787
 788       // Upper part
 789       // Xe/Isobutane layer (amplification volume)
 790       zpos = fgkAmZpos;
 791       snprintf(cTagV,kTag,"UK%02d",iDet);
 792       snprintf(cTagM,kTag,"UE%02d",iDet);
 793       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 794       // Cu layer (wire planes inside amplification volume)
 795       zpos = fgkWrZposA;
 796       snprintf(cTagV,kTag,"UW%02d",iDet);
 797       snprintf(cTagM,kTag,"UK%02d",iDet);
 798       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 799       zpos = fgkWrZposB;
 800       snprintf(cTagV,kTag,"UW%02d",iDet);
 801       snprintf(cTagM,kTag,"UK%02d",iDet);
 802       gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
 803
 804       // Back panel + pad plane + readout part
 805       // Cu layer (pad plane)
 806       zpos =  fgkPPdThick/2.0 - fgkCroH/2.0;
 807       snprintf(cTagV,kTag,"UPPD%02d",iDet);
 808       snprintf(cTagM,kTag,"UG%02d",iDet);
 809       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 810       // G10  layer (pad plane)
 811       zpos =  fgkPPpThick/2.0 + fgkPPdThick - fgkCroH/2.0;
 812       snprintf(cTagV,kTag,"UPPP%02d",iDet);
 813       snprintf(cTagM,kTag,"UG%02d",iDet);
 814       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 815       // Araldite layer (glue)
 816       zpos =  fgkPGlThick/2.0 + fgkPPpThick + fgkPPdThick - fgkCroH/2.0;
 817       snprintf(cTagV,kTag,"UPGL%02d",iDet);
 818       snprintf(cTagM,kTag,"UG%02d",iDet);
 819       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 820       // Carbon layers (carbon fiber mats)
 821       zpos =  fgkPCbThick/2.0 + fgkPGlThick + fgkPPpThick + fgkPPdThick - fgkCroH/2.0;
 822       snprintf(cTagV,kTag,"UPCB%02d",iDet);
 823       snprintf(cTagM,kTag,"UG%02d",iDet);
 824       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 825       zpos = -fgkPCbThick/2.0 - fgkPPcThick - fgkPRbThick - fgkPElThick + fgkCroH/2.0;
 826       snprintf(cTagV,kTag,"UPCB%02d",iDet);
 827       snprintf(cTagM,kTag,"UG%02d",iDet);
 828       gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
 829       // Aramide layer (honeycomb)
 830       zpos =  fgkPHcThick/2.0 + fgkPCbThick + fgkPGlThick + fgkPPpThick + fgkPPdThick - fgkCroH/2.0;
 831       snprintf(cTagV,kTag,"UPHC%02d",iDet);
 832       snprintf(cTagM,kTag,"UG%02d",iDet);
 833       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 834       // G10 layer (PCB readout board)
 835       zpos = -fgkPPcThick/2.0 - fgkPRbThick - fgkPElThick + fgkCroH/2.0;
 836       snprintf(cTagV,kTag,"UPPC%02d",iDet);
 837       snprintf(cTagM,kTag,"UG%02d",iDet);
 838       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 839       // Cu layer (traces in readout board)
 840       zpos = -fgkPRbThick/2.0 - fgkPElThick + fgkCroH/2.0;
 841       snprintf(cTagV,kTag,"UPRB%02d",iDet);
 842       snprintf(cTagM,kTag,"UG%02d",iDet);
 843       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 844       // Cu layer (other materials on readout board, incl. screws)
 845       zpos = -fgkPElThick/2.0 + fgkCroH/2.0;
 846       snprintf(cTagV,kTag,"UPEL%02d",iDet);
 847       snprintf(cTagM,kTag,"UG%02d",iDet);
 848       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 849
 850       // Position the inner volumes of the chambers in the frames
 851       xpos = 0.0;
 852       ypos = 0.0;
 853
 854       // The inner part of the radiator (air)
 855       zpos = 0.0;
 856       snprintf(cTagV,kTag,"UC%02d",iDet);
 857       snprintf(cTagM,kTag,"UX%02d",iDet);
 858       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 859       // The glue around the radiator
 860       zpos = fgkCraH/2.0 - fgkCdrH/2.0 - fgkCraH/2.0;
 861       snprintf(cTagV,kTag,"UX%02d",iDet);
 862       snprintf(cTagM,kTag,"UB%02d",iDet);
 863       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 864       // The lower Wacosit frame inside the aluminum frame
 865       zpos = 0.0;
 866       snprintf(cTagV,kTag,"UB%02d",iDet);
 867       snprintf(cTagM,kTag,"UA%02d",iDet);
 868       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 869
 870       // The inside of the upper Wacosit frame
 871       zpos = 0.0;
 872       snprintf(cTagV,kTag,"UE%02d",iDet);
 873       snprintf(cTagM,kTag,"UD%02d",iDet);
 874       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 875
 876       // The inside of the upper aluminum frame
 877       zpos = 0.0;
 878       snprintf(cTagV,kTag,"UG%02d",iDet);
 879       snprintf(cTagM,kTag,"UF%02d",iDet);
 880       gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
 881
 882     }
 883   }
 884
 885   // Create the volumes of the super module frame
 886   CreateFrame(idtmed);
 887
 888   // Create the volumes of the services
 889   CreateServices(idtmed);
 890
 891   for (Int_t istack = 0; istack < kNstack; istack++) {
 892     for (Int_t ilayer = 0; ilayer < kNlayer; ilayer++) {
 893       AssembleChamber(ilayer,istack);
 894     }
 895   }
 896
 897   xpos = 0.0;
 898   ypos = 0.0;
 899   zpos = 0.0;
 900   gMC->Gspos("UTI1",1,"UTS1",xpos,ypos,zpos,0,"ONLY");
 901   gMC->Gspos("UTI2",1,"UTS2",xpos,ypos,zpos,0,"ONLY");
 902   gMC->Gspos("UTI3",1,"UTS3",xpos,ypos,zpos,0,"ONLY");
 903
 904   xpos = 0.0;
 905   ypos = 0.0;
 906   zpos = 0.0;
 907   gMC->Gspos("UTS1",1,"UTR1",xpos,ypos,zpos,0,"ONLY");
 908   gMC->Gspos("UTS2",1,"UTR2",xpos,ypos,zpos,0,"ONLY");
 909   gMC->Gspos("UTS3",1,"UTR3",xpos,ypos,zpos,0,"ONLY");
 910
 911   // Put the TRD volumes into the space frame mother volumes
 912   // if enabled via status flag
 913   xpos = 0.0;
 914   ypos = 0.0;
 915   zpos = 0.0;
 916   for (Int_t isector = 0; isector < kNsector; isector++) {
 917     if (GetSMstatus(isector)) {
 918       snprintf(cTagV,kTag,"BTRD%d",isector);
 919       switch (isector) {
 920       case 13:
 921       case 14:
 922       case 15:
 923         // Double carbon, w/o middle stack
 924         gMC->Gspos("UTR3",1,cTagV,xpos,ypos,zpos,0,"ONLY");
 925         break;
 926       case 11:
 927       case 12:
 928         // Double carbon, all stacks
 929         gMC->Gspos("UTR2",1,cTagV,xpos,ypos,zpos,0,"ONLY");
 930         break;
 931       default:
 932         // Standard supermodule
 933         gMC->Gspos("UTR1",1,cTagV,xpos,ypos,zpos,0,"ONLY");
 934       };
 935     }
 936   }
 937
 938   // Put the TRD volumes into the space frame mother volumes
 939   // if enabled via status flag
 940   xpos = 0.0;
 941   ypos = 0.5*fgkSlength + 0.5*fgkFlength;
 942   zpos = 0.0;
 943   for (Int_t isector = 0; isector < kNsector; isector++) {
 944     if (GetSMstatus(isector)) {
 945       snprintf(cTagV,kTag,"BTRD%d",isector);
 946       gMC->Gspos("UTF1",1,cTagV,xpos, ypos,zpos,0,"ONLY");
 947       gMC->Gspos("UTF2",1,cTagV,xpos,-ypos,zpos,0,"ONLY");
 948     }
 949   }
 950
 951 }
 952
 953 //_____________________________________________________________________________
 954 void AliTRDgeometry::CreateFrame(Int_t *idtmed)
 955 {
 956   //
 957   // Create the geometry of the frame of the supermodule
 958   //
 959   // Names of the TRD services volumina
 960   //
 961   //        USRL    Support rails for the chambers (Al)
 962   //        USxx    Support cross bars between the chambers (Al)
 963   //        USHx    Horizontal connection between the cross bars (Al)
 964   //        USLx    Long corner ledges (Al)
 965   //
 966
 967   Int_t   ilayer = 0;
 968
 969   Float_t xpos  = 0.0;
 970   Float_t ypos  = 0.0;
 971   Float_t zpos  = 0.0;
 972
 973   const Int_t kTag = 100;
 974   Char_t  cTagV[kTag];
 975   Char_t  cTagM[kTag];
 976
 977   const Int_t kNparTRD = 4;
 978   Float_t parTRD[kNparTRD];
 979   const Int_t kNparBOX = 3;
 980   Float_t parBOX[kNparBOX];
 981   const Int_t kNparTRP = 11;
 982   Float_t parTRP[kNparTRP];
 983
 984   // The rotation matrices
 985   const Int_t kNmatrix = 7;
 986   Int_t   matrix[kNmatrix];
 987   gMC->Matrix(matrix[0], 100.0,   0.0,  90.0,  90.0,  10.0,   0.0);
 988   gMC->Matrix(matrix[1],  80.0,   0.0,  90.0,  90.0,  10.0, 180.0);
 989   gMC->Matrix(matrix[2],  90.0,   0.0,   0.0,   0.0,  90.0,  90.0);
 990   gMC->Matrix(matrix[3],  90.0, 180.0,   0.0, 180.0,  90.0,  90.0);
 991   gMC->Matrix(matrix[4], 170.0,   0.0,  80.0,   0.0,  90.0,  90.0);
 992   gMC->Matrix(matrix[5], 170.0, 180.0,  80.0, 180.0,  90.0,  90.0);
 993   gMC->Matrix(matrix[6], 180.0, 180.0,  90.0, 180.0,  90.0,  90.0);
 994
 995   //
 996   // The carbon inserts in the top/bottom aluminum plates
 997   //
 998
 999   const Int_t kNparCrb = 3;
1000   Float_t parCrb[kNparCrb];
1001   parCrb[0] = 0.0;
1002   parCrb[1] = 0.0;
1003   parCrb[2] = 0.0;
1004   gMC->Gsvolu("USCR","BOX ",idtmed[1326-1],parCrb,0);
1005   // Bottom 1 (all sectors)
1006   parCrb[0] =  77.49/2.0;
1007   parCrb[1] = 104.60/2.0;
1008   parCrb[2] = fgkSMpltT/2.0;
1009   xpos      =   0.0;
1010   ypos      =   0.0;
1011   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1012   gMC->Gsposp("USCR", 1,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1013   gMC->Gsposp("USCR", 2,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1014   gMC->Gsposp("USCR", 3,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1015   // Bottom 2 (all sectors)
1016   parCrb[0] =  77.49/2.0;
1017   parCrb[1] =  55.80/2.0;
1018   parCrb[2] = fgkSMpltT/2.0;
1019   xpos      =   0.0;
1020   ypos      =  85.6;
1021   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1022   gMC->Gsposp("USCR", 4,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1023   gMC->Gsposp("USCR", 5,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1024   gMC->Gsposp("USCR", 6,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1025   gMC->Gsposp("USCR", 7,"UTS1", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1026   gMC->Gsposp("USCR", 8,"UTS2", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1027   gMC->Gsposp("USCR", 9,"UTS3", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1028   // Bottom 3 (all sectors)
1029   parCrb[0] =  77.49/2.0;
1030   parCrb[1] =  56.00/2.0;
1031   parCrb[2] = fgkSMpltT/2.0;
1032   xpos      =   0.0;
1033   ypos      = 148.5;
1034   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1035   gMC->Gsposp("USCR",10,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1036   gMC->Gsposp("USCR",11,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1037   gMC->Gsposp("USCR",12,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1038   gMC->Gsposp("USCR",13,"UTS1", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1039   gMC->Gsposp("USCR",14,"UTS2", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1040   gMC->Gsposp("USCR",15,"UTS3", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1041   // Bottom 4 (all sectors)
1042   parCrb[0] =  77.49/2.0;
1043   parCrb[1] = 118.00/2.0;
1044   parCrb[2] = fgkSMpltT/2.0;
1045   xpos      =   0.0;
1046   ypos      = 240.5;
1047   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1048   gMC->Gsposp("USCR",16,"UTS1", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1049   gMC->Gsposp("USCR",17,"UTS2", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1050   gMC->Gsposp("USCR",18,"UTS3", xpos, ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1051   gMC->Gsposp("USCR",19,"UTS1", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1052   gMC->Gsposp("USCR",20,"UTS2", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1053   gMC->Gsposp("USCR",21,"UTS3", xpos,-ypos, zpos,0,"ONLY",parCrb,kNparCrb);
1054   // Top 1 (only in front of PHOS)
1055   parCrb[0] = 111.48/2.0;
1056   parCrb[1] = 105.00/2.0;
1057   parCrb[2] = fgkSMpltT/2.0;
1058   xpos      =   0.0;
1059   ypos      =   0.0;
1060   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1061   gMC->Gsposp("USCR",22,"UTS2", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1062   gMC->Gsposp("USCR",23,"UTS3", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1063   // Top 2 (only in front of PHOS)
1064   parCrb[0] = 111.48/2.0;
1065   parCrb[1] =  56.00/2.0;
1066   parCrb[2] = fgkSMpltT/2.0;
1067   xpos      =   0.0;
1068   ypos      =  85.5;
1069   zpos      = fgkSMpltT/2.0 - fgkSheight/2.0;
1070   gMC->Gsposp("USCR",24,"UTS2", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1071   gMC->Gsposp("USCR",25,"UTS3", xpos, ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1072   gMC->Gsposp("USCR",26,"UTS2", xpos,-ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1073   gMC->Gsposp("USCR",27,"UTS3", xpos,-ypos,-zpos,0,"ONLY",parCrb,kNparCrb);
1074
1075   //
1076   // The chamber support rails
1077   //
1078
1079   const Float_t kSRLhgt  = 2.00;
1080   const Float_t kSRLwidA = 2.3;
1081   const Float_t kSRLwidB = 1.947;
1082   const Float_t kSRLdst  = 1.135;
1083   const Int_t   kNparSRL = 11;
1084   Float_t parSRL[kNparSRL];
1085   // Trapezoidal shape
1086   parSRL[ 0] = fgkSlength/2.0;
1087   parSRL[ 1] = 0.0;
1088   parSRL[ 2] = 0.0;
1089   parSRL[ 3] = kSRLhgt  /2.0;
1090   parSRL[ 4] = kSRLwidB /2.0;
1091   parSRL[ 5] = kSRLwidA /2.0;
1092   parSRL[ 6] = 5.0;
1093   parSRL[ 7] = kSRLhgt  /2.0;
1094   parSRL[ 8] = kSRLwidB /2.0;
1095   parSRL[ 9] = kSRLwidA /2.0;
1096   parSRL[10] = 5.0;
1097   gMC->Gsvolu("USRL","TRAP",idtmed[1301-1],parSRL,kNparSRL);
1098
1099   xpos  = 0.0;
1100   ypos  = 0.0;
1101   zpos  = 0.0;
1102   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1103     xpos  = fgkCwidth[ilayer]/2.0 + kSRLwidA/2.0 + kSRLdst;
1104     ypos  = 0.0;
1105     zpos  = fgkVrocsm + fgkSMpltT - fgkCalZpos - fgkSheight/2.0
1106           + fgkCraH + fgkCdrH - fgkCalH - kSRLhgt/2.0
1107           + ilayer * (fgkCH + fgkVspace);
1108     gMC->Gspos("USRL",ilayer+1          ,"UTI1", xpos,ypos,zpos,matrix[2],"ONLY");
1109     gMC->Gspos("USRL",ilayer+1+  kNlayer,"UTI1",-xpos,ypos,zpos,matrix[3],"ONLY");
1110     gMC->Gspos("USRL",ilayer+1+2*kNlayer,"UTI2", xpos,ypos,zpos,matrix[2],"ONLY");
1111     gMC->Gspos("USRL",ilayer+1+3*kNlayer,"UTI2",-xpos,ypos,zpos,matrix[3],"ONLY");
1112     gMC->Gspos("USRL",ilayer+1+4*kNlayer,"UTI3", xpos,ypos,zpos,matrix[2],"ONLY");
1113     gMC->Gspos("USRL",ilayer+1+5*kNlayer,"UTI3",-xpos,ypos,zpos,matrix[3],"ONLY");
1114   }
1115
1116   //
1117   // The cross bars between the chambers
1118   //
1119
1120   const Float_t kSCBwid  = 1.0;
1121   const Float_t kSCBthk  = 2.0;
1122   const Float_t kSCHhgt  = 0.3;
1123
1124   const Int_t   kNparSCB = 3;
1125   Float_t parSCB[kNparSCB];
1126   parSCB[1] = kSCBwid/2.0;
1127   parSCB[2] = fgkCH  /2.0 + fgkVspace/2.0 - kSCHhgt;
1128
1129   const Int_t   kNparSCI = 3;
1130   Float_t parSCI[kNparSCI];
1131   parSCI[1] = -1;
1132
1133   xpos  = 0.0;
1134   ypos  = 0.0;
1135   zpos  = 0.0;
1136   for (ilayer = 0; ilayer < kNlayer; ilayer++) {
1137
1138     // The aluminum of the cross bars
1139     parSCB[0] = fgkCwidth[ilayer]/2.0 + kSRLdst/2.0;
1140     snprintf(cTagV,kTag,"USF%01d",ilayer);
1141     gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
1142
1143     // The empty regions in the cross bars
1144     Float_t thkSCB = kSCBthk;
1145     if (ilayer < 2) {
1146       thkSCB *= 1.5;
1147     }
1148     parSCI[2] = parSCB[2] - thkSCB;
1149     parSCI[0] = parSCB[0]/4.0 - kSCBthk;
1150     snprintf(cTagV,kTag,"USI%01d",ilayer);
1151     gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parSCI,kNparSCI);
1152
1153     snprintf(cTagV,kTag,"USI%01d",ilayer);
1154     snprintf(cTagM,kTag,"USF%01d",ilayer);
1155     ypos  = 0.0;
1156     zpos  = 0.0;
1157     xpos  =   parSCI[0] + thkSCB/2.0;
1158     gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
1159     xpos  = - parSCI[0] - thkSCB/2.0;
1160     gMC->Gspos(cTagV,2,cTagM,xpos,ypos,zpos,0,"ONLY");
1161     xpos  =   3.0 * parSCI[0] + 1.5 * thkSCB;
1162     gMC->Gspos(cTagV,3,cTagM,xpos,ypos,zpos,0,"ONLY");
1163     xpos  = - 3.0 * parSCI[0] - 1.5 * thkSCB;
1164     gMC->Gspos(cTagV,4,cTagM,xpos,ypos,zpos,0,"ONLY");
1165
1166     snprintf(cTagV,kTag,"USF%01d",ilayer);
1167     xpos  = 0.0;
1168     zpos  = fgkVrocsm + fgkSMpltT + parSCB[2] - fgkSheight/2.0
1169           + ilayer * (fgkCH + fgkVspace);
1170
1171     ypos  =   fgkClength[ilayer][2]/2.0 + fgkClength[ilayer][1];
1172     gMC->Gspos(cTagV, 1,"UTI1", xpos,ypos,zpos,0,"ONLY");
1173     gMC->Gspos(cTagV, 3,"UTI2", xpos,ypos,zpos,0,"ONLY");
1174     gMC->Gspos(cTagV, 5,"UTI3", xpos,ypos,zpos,0,"ONLY");
1175
1176     ypos  = - fgkClength[ilayer][2]/2.0 - fgkClength[ilayer][1];
1177     gMC->Gspos(cTagV, 2,"UTI1", xpos,ypos,zpos,0,"ONLY");
1178     gMC->Gspos(cTagV, 4,"UTI2", xpos,ypos,zpos,0,"ONLY");
1179     gMC->Gspos(cTagV, 6,"UTI3", xpos,ypos,zpos,0,"ONLY");
1180
1181   }
1182
1183   //
1184   // The horizontal connections between the cross bars
1185   //
1186
1187   const Int_t   kNparSCH = 3;
1188   Float_t parSCH[kNparSCH];
1189
1190   for (ilayer = 1; ilayer < kNlayer-1; ilayer++) {
1191
1192     parSCH[0] = fgkCwidth[ilayer]/2.0;
1193     parSCH[1] = (fgkClength[ilayer+1][2]/2.0 + fgkClength[ilayer+1][1]
1194                - fgkClength[ilayer  ][2]/2.0 - fgkClength[ilayer  ][1])/2.0;
1195     parSCH[2] = kSCHhgt/2.0;
1196
1197     snprintf(cTagV,kTag,"USH%01d",ilayer);
1198     gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCH,kNparSCH);
1199     xpos  = 0.0;
1200     ypos  = fgkClength[ilayer][2]/2.0 + fgkClength[ilayer][1] + parSCH[1];
1201     zpos  = fgkVrocsm + fgkSMpltT - kSCHhgt/2.0 - fgkSheight/2.0
1202           + (ilayer+1) * (fgkCH + fgkVspace);
1203     gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
1204     gMC->Gspos(cTagV,3,"UTI2", xpos,ypos,zpos,0,"ONLY");
1205     gMC->Gspos(cTagV,5,"UTI3", xpos,ypos,zpos,0,"ONLY");
1206     ypos  = -ypos;
1207     gMC->Gspos(cTagV,2,"UTI1", xpos,ypos,zpos,0,"ONLY");
1208     gMC->Gspos(cTagV,4,"UTI2", xpos,ypos,zpos,0,"ONLY");
1209     gMC->Gspos(cTagV,6,"UTI3", xpos,ypos,zpos,0,"ONLY");
1210
1211   }
1212
1213   //
1214   // The aymmetric flat frame in the middle
1215   //
1216
1217   // The envelope volume (aluminum)
1218   parTRD[0]  =  87.60/2.0;
1219   parTRD[1]  = 114.00/2.0;
1220   parTRD[2]  =   1.20/2.0;
1221   parTRD[3]  =  71.30/2.0;
1222   gMC->Gsvolu("USDB","TRD1",idtmed[1301-1],parTRD,kNparTRD);
1223   // Empty spaces (air)
1224   parTRP[ 0] =   1.20/2.0;
1225   parTRP[ 1] =   0.0;
1226   parTRP[ 2] =   0.0;
1227   parTRP[ 3] =  27.00/2.0;
1228   parTRP[ 4] =  50.60/2.0;
1229   parTRP[ 5] =   5.00/2.0;
1230   parTRP[ 6] =   3.5;
1231   parTRP[ 7] =  27.00/2.0;
1232   parTRP[ 8] =  50.60/2.0;
1233   parTRP[ 9] =   5.00/2.0;
1234   parTRP[10] =   3.5;
1235   gMC->Gsvolu("USD1","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1236   xpos       =  18.0;
1237   ypos       =   0.0;
1238   zpos       =   27.00/2.0 - 71.3/2.0;
1239   gMC->Gspos("USD1",1,"USDB", xpos, ypos, zpos,matrix[2],"ONLY");
1240   // Empty spaces (air)
1241   parTRP[ 0] =   1.20/2.0;
1242   parTRP[ 1] =   0.0;
1243   parTRP[ 2] =   0.0;
1244   parTRP[ 3] =  33.00/2.0;
1245   parTRP[ 4] =   5.00/2.0;
1246   parTRP[ 5] =  62.10/2.0;
1247   parTRP[ 6] =   3.5;
1248   parTRP[ 7] =  33.00/2.0;
1249   parTRP[ 8] =   5.00/2.0;
1250   parTRP[ 9] =  62.10/2.0;
1251   parTRP[10] =   3.5;
1252   gMC->Gsvolu("USD2","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1253   xpos       =  21.0;
1254   ypos       =   0.0;
1255   zpos       =  71.3/2.0 - 33.0/2.0;
1256   gMC->Gspos("USD2",1,"USDB", xpos, ypos, zpos,matrix[2],"ONLY");
1257   // Empty spaces (air)
1258   parBOX[ 0] =  22.50/2.0;
1259   parBOX[ 1] =   1.20/2.0;
1260   parBOX[ 2] =  70.50/2.0;
1261   gMC->Gsvolu("USD3","BOX ",idtmed[1302-1],parBOX,kNparBOX);
1262   xpos       = -25.75;
1263   ypos       =   0.0;
1264   zpos       =   0.4;
1265   gMC->Gspos("USD3",1,"USDB", xpos, ypos, zpos,        0,"ONLY");
1266   // Empty spaces (air)
1267   parTRP[ 0] =   1.20/2.0;
1268   parTRP[ 1] =   0.0;
1269   parTRP[ 2] =   0.0;
1270   parTRP[ 3] =  25.50/2.0;
1271   parTRP[ 4] =   5.00/2.0;
1272   parTRP[ 5] =  65.00/2.0;
1273   parTRP[ 6] =  -1.0;
1274   parTRP[ 7] =  25.50/2.0;
1275   parTRP[ 8] =   5.00/2.0;
1276   parTRP[ 9] =  65.00/2.0;
1277   parTRP[10] =  -1.0;
1278   gMC->Gsvolu("USD4","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1279   xpos       =   2.0;
1280   ypos       =   0.0;
1281   zpos       =  -1.6;
1282   gMC->Gspos("USD4",1,"USDB", xpos, ypos, zpos,matrix[6],"ONLY");
1283   // Empty spaces (air)
1284   parTRP[ 0] =   1.20/2.0;
1285   parTRP[ 1] =   0.0;
1286   parTRP[ 2] =   0.0;
1287   parTRP[ 3] =  23.50/2.0;
1288   parTRP[ 4] =  63.50/2.0;
1289   parTRP[ 5] =   5.00/2.0;
1290   parTRP[ 6] =  16.0;
1291   parTRP[ 7] =  23.50/2.0;
1292   parTRP[ 8] =  63.50/2.0;
1293   parTRP[ 9] =   5.00/2.0;
1294   parTRP[10] =  16.0;
1295   gMC->Gsvolu("USD5","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1296   xpos       =  36.5;
1297   ypos       =   0.0;
1298   zpos       =  -1.5;
1299   gMC->Gspos("USD5",1,"USDB", xpos, ypos, zpos,matrix[5],"ONLY");
1300   // Empty spaces (air)
1301   parTRP[ 0] =   1.20/2.0;
1302   parTRP[ 1] =   0.0;
1303   parTRP[ 2] =   0.0;
1304   parTRP[ 3] =  70.50/2.0;
1305   parTRP[ 4] =   4.50/2.0;
1306   parTRP[ 5] =  16.50/2.0;
1307   parTRP[ 6] =  -5.0;
1308   parTRP[ 7] =  70.50/2.0;
1309   parTRP[ 8] =   4.50/2.0;
1310   parTRP[ 9] =  16.50/2.0;
1311   parTRP[10] =  -5.0;
1312   gMC->Gsvolu("USD6","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1313   xpos       = -43.7;
1314   ypos       =   0.0;
1315   zpos       =   0.4;
1316   gMC->Gspos("USD6",1,"USDB", xpos, ypos, zpos,matrix[2],"ONLY");
1317   xpos       =   0.0;
1318   ypos       =   fgkClength[5][2]/2.0;
1319   zpos       =   0.04;
1320   gMC->Gspos("USDB",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1321   gMC->Gspos("USDB",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1322   gMC->Gspos("USDB",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1323   gMC->Gspos("USDB",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1324   gMC->Gspos("USDB",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1325   gMC->Gspos("USDB",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1326   // Upper bar (aluminum)
1327   parBOX[0] = 95.00/2.0;
1328   parBOX[1] =  1.20/2.0;
1329   parBOX[2] =  3.00/2.0;
1330   gMC->Gsvolu("USD7","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1331   xpos       =   0.0;
1332   ypos       =   fgkClength[5][2]/2.0;
1333   zpos       =   fgkSheight/2.0 - fgkSMpltT  - 3.00/2.0;
1334   gMC->Gspos("USD7",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1335   gMC->Gspos("USD7",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1336   gMC->Gspos("USD7",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1337   gMC->Gspos("USD7",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1338   gMC->Gspos("USD7",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1339   gMC->Gspos("USD7",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1340   // Lower bar (aluminum)
1341   parBOX[0] = 90.22/2.0;
1342   parBOX[1] =  1.20/2.0;
1343   parBOX[2] =  1.74/2.0;
1344   gMC->Gsvolu("USD8","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1345   xpos       =   0.0;
1346   ypos       =   fgkClength[5][2]/2.0 - 0.1;
1347   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 2.27;
1348   gMC->Gspos("USD8",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1349   gMC->Gspos("USD8",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1350   gMC->Gspos("USD8",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1351   gMC->Gspos("USD8",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1352   gMC->Gspos("USD8",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1353   gMC->Gspos("USD8",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1354   // Lower bar (aluminum)
1355   parBOX[0] = 82.60/2.0;
1356   parBOX[1] =  1.20/2.0;
1357   parBOX[2] =  1.40/2.0;
1358   gMC->Gsvolu("USD9","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1359   xpos       =   0.0;
1360   ypos       =   fgkClength[5][2]/2.0;
1361   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 1.40/2.0;
1362   gMC->Gspos("USD9",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1363   gMC->Gspos("USD9",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1364   gMC->Gspos("USD9",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1365   gMC->Gspos("USD9",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1366   gMC->Gspos("USD9",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1367   gMC->Gspos("USD9",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1368   // Front sheet (aluminum)
1369   parTRP[ 0] =   0.10/2.0;
1370   parTRP[ 1] =   0.0;
1371   parTRP[ 2] =   0.0;
1372   parTRP[ 3] =  74.50/2.0;
1373   parTRP[ 4] =  31.70/2.0;
1374   parTRP[ 5] =  44.00/2.0;
1375   parTRP[ 6] =  -5.0;
1376   parTRP[ 7] =  74.50/2.0;
1377   parTRP[ 8] =  31.70/2.0;
1378   parTRP[ 9] =  44.00/2.0;
1379   parTRP[10] =  -5.0;
1380   gMC->Gsvolu("USDF","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1381   xpos       = -32.0;
1382   ypos       =   fgkClength[5][2]/2.0 + 1.20/2.0 + 0.10/2.0;
1383   zpos       =   0.0;
1384   gMC->Gspos("USDF",1,"UTI1", xpos, ypos, zpos,matrix[2],"ONLY");
1385   gMC->Gspos("USDF",2,"UTI1", xpos,-ypos, zpos,matrix[2],"ONLY");
1386   gMC->Gspos("USDF",3,"UTI2", xpos, ypos, zpos,matrix[2],"ONLY");
1387   gMC->Gspos("USDF",4,"UTI2", xpos,-ypos, zpos,matrix[2],"ONLY");
1388   gMC->Gspos("USDF",5,"UTI3", xpos, ypos, zpos,matrix[2],"ONLY");
1389   gMC->Gspos("USDF",6,"UTI3", xpos,-ypos, zpos,matrix[2],"ONLY");
1390
1391   //
1392   // The flat frame in front of the chambers
1393   //
1394
1395   // The envelope volume (aluminum)
1396   parTRD[0]  =  90.00/2.0 - 0.1;
1397   parTRD[1]  = 114.00/2.0 - 0.1;
1398   parTRD[2]  =   1.50/2.0;
1399   parTRD[3]  =  70.30/2.0;
1400   gMC->Gsvolu("USCB","TRD1",idtmed[1301-1],parTRD,kNparTRD);
1401   // Empty spaces (air)
1402   parTRD[0]  =  87.00/2.0;
1403   parTRD[1]  =  10.00/2.0;
1404   parTRD[2]  =   1.50/2.0;
1405   parTRD[3]  =  26.35/2.0;
1406   gMC->Gsvolu("USC1","TRD1",idtmed[1302-1],parTRD,kNparTRD);
1407   xpos       =  0.0;
1408   ypos       =  0.0;
1409   zpos       = 26.35/2.0 - 70.3/2.0;
1410   gMC->Gspos("USC1",1,"USCB",xpos,ypos,zpos,0,"ONLY");
1411   // Empty spaces (air)
1412   parTRD[0]  =  10.00/2.0;
1413   parTRD[1]  = 111.00/2.0;
1414   parTRD[2]  =   1.50/2.0;
1415   parTRD[3]  =  35.05/2.0;
1416   gMC->Gsvolu("USC2","TRD1",idtmed[1302-1],parTRD,kNparTRD);
1417   xpos       =  0.0;
1418   ypos       =  0.0;
1419   zpos       = 70.3/2.0 - 35.05/2.0;
1420   gMC->Gspos("USC2",1,"USCB",xpos,ypos,zpos,0,"ONLY");
1421   // Empty spaces (air)
1422   parTRP[ 0] =   1.50/2.0;
1423   parTRP[ 1] =   0.0;
1424   parTRP[ 2] =   0.0;
1425   parTRP[ 3] =  37.60/2.0;
1426   parTRP[ 4] =  63.90/2.0;
1427   parTRP[ 5] =   8.86/2.0;
1428   parTRP[ 6] =  16.0;
1429   parTRP[ 7] =  37.60/2.0;
1430   parTRP[ 8] =  63.90/2.0;
1431   parTRP[ 9] =   8.86/2.0;
1432   parTRP[10] =  16.0;
1433   gMC->Gsvolu("USC3","TRAP",idtmed[1302-1],parTRP,kNparTRP);
1434   xpos       = -30.5;
1435   ypos       =   0.0;
1436   zpos       =  -2.0;
1437   gMC->Gspos("USC3",1,"USCB", xpos, ypos, zpos,matrix[4],"ONLY");
1438   gMC->Gspos("USC3",2,"USCB",-xpos, ypos, zpos,matrix[5],"ONLY");
1439   xpos       =   0.0;
1440   ypos       =   fgkClength[5][2]/2.0 + fgkClength[5][1] + fgkClength[5][0];
1441   zpos       =   0.0;
1442   gMC->Gspos("USCB",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1443   gMC->Gspos("USCB",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1444   gMC->Gspos("USCB",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1445   gMC->Gspos("USCB",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1446   gMC->Gspos("USCB",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1447   gMC->Gspos("USCB",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1448   // Upper bar (aluminum)
1449   parBOX[0] = 95.00/2.0;
1450   parBOX[1] =  1.50/2.0;
1451   parBOX[2] =  3.00/2.0;
1452   gMC->Gsvolu("USC4","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1453   xpos       =   0.0;
1454   ypos       =   fgkClength[5][2]/2.0 + fgkClength[5][1] + fgkClength[5][0];
1455   zpos       =   fgkSheight/2.0 - fgkSMpltT - 3.00/2.0;
1456   gMC->Gspos("USC4",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1457   gMC->Gspos("USC4",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1458   gMC->Gspos("USC4",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1459   gMC->Gspos("USC4",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1460   gMC->Gspos("USC4",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1461   gMC->Gspos("USC4",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1462   // Lower bar (aluminum)
1463   parBOX[0] = 90.22/2.0;
1464   parBOX[1] =  1.50/2.0;
1465   parBOX[2] =  2.00/2.0;
1466   gMC->Gsvolu("USC5","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1467   xpos       =   0.0;
1468   ypos       =   fgkClength[5][2]/2.0 + fgkClength[5][1] + fgkClength[5][0];
1469   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 2.60;
1470   gMC->Gspos("USC5",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1471   gMC->Gspos("USC5",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1472   gMC->Gspos("USC5",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1473   gMC->Gspos("USC5",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1474   gMC->Gspos("USC5",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1475   gMC->Gspos("USC5",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1476   // Lower bar (aluminum)
1477   parBOX[0] = 82.60/2.0;
1478   parBOX[1] =  1.50/2.0;
1479   parBOX[2] =  1.60/2.0;
1480   gMC->Gsvolu("USC6","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1481   xpos       =   0.0;
1482   ypos       =   fgkClength[5][2]/2.0 + fgkClength[5][1] + fgkClength[5][0];
1483   zpos       =  -fgkSheight/2.0 + fgkSMpltT + 1.60/2.0;
1484   gMC->Gspos("USC6",1,"UTI1", xpos, ypos, zpos,        0,"ONLY");
1485   gMC->Gspos("USC6",2,"UTI1", xpos,-ypos, zpos,        0,"ONLY");
1486   gMC->Gspos("USC6",3,"UTI2", xpos, ypos, zpos,        0,"ONLY");
1487   gMC->Gspos("USC6",4,"UTI2", xpos,-ypos, zpos,        0,"ONLY");
1488   gMC->Gspos("USC6",5,"UTI3", xpos, ypos, zpos,        0,"ONLY");
1489   gMC->Gspos("USC6",6,"UTI3", xpos,-ypos, zpos,        0,"ONLY");
1490
1491   //
1492   // The long corner ledges
1493   //
1494
1495   const Int_t   kNparSCL  =  3;
1496   Float_t parSCL[kNparSCL];
1497   const Int_t   kNparSCLb = 11;
1498   Float_t parSCLb[kNparSCLb];
1499
1500   // Upper ledges
1501   // Thickness of the corner ledges
1502   const Float_t kSCLthkUa  =  0.6;
1503   const Float_t kSCLthkUb  =  0.6;
1504   // Width of the corner ledges
1505   const Float_t kSCLwidUa  =  3.2;
1506   const Float_t kSCLwidUb  =  4.8;
1507   // Position of the corner ledges
1508   const Float_t kSCLposxUa = 0.7;
1509   const Float_t kSCLposxUb = 3.3;
1510   const Float_t kSCLposzUa = 1.65;
1511   const Float_t kSCLposzUb = 0.3;
1512   // Vertical
1513   parSCL[0]  = kSCLthkUa /2.0;
1514   parSCL[1]  = fgkSlength/2.0;
1515   parSCL[2]  = kSCLwidUa /2.0;
1516   gMC->Gsvolu("USL1","BOX ",idtmed[1301-1],parSCL,kNparSCL);
1517   xpos  =   fgkSwidth2/2.0 - fgkSMpltT - kSCLposxUa;
1518   ypos  =   0.0;
1519   zpos  =   fgkSheight/2.0 - fgkSMpltT - kSCLposzUa;
1520   gMC->Gspos("USL1",1,"UTI1", xpos,ypos,zpos,matrix[0],"ONLY");
1521   xpos  = -xpos;
1522   gMC->Gspos("USL1",2,"UTI1", xpos,ypos,zpos,matrix[1],"ONLY");
1523   // Horizontal
1524   parSCL[0]  = kSCLwidUb /2.0;
1525   parSCL[1]  = fgkSlength/2.0;
1526   parSCL[2]  = kSCLthkUb /2.0;
1527   gMC->Gsvolu("USL2","BOX ",idtmed[1301-1],parSCL,kNparSCL);
1528   xpos  =   fgkSwidth2/2.0 - fgkSMpltT - kSCLposxUb;
1529   ypos  =   0.0;
1530   zpos  =   fgkSheight/2.0 - fgkSMpltT - kSCLposzUb;
1531   gMC->Gspos("USL2",1,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1532   gMC->Gspos("USL2",3,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1533   gMC->Gspos("USL2",5,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1534   xpos  = -xpos;
1535   gMC->Gspos("USL2",2,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1536   gMC->Gspos("USL2",4,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1537   gMC->Gspos("USL2",6,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1538
1539   // Lower ledges
1540   // Thickness of the corner ledges
1541   const Float_t kSCLthkLa  =  2.464;
1542   const Float_t kSCLthkLb  =  1.0;
1543   // Width of the corner ledges
1544   const Float_t kSCLwidLa  =  8.3;
1545   const Float_t kSCLwidLb  =  4.0;
1546   // Position of the corner ledges
1547   const Float_t kSCLposxLa = (3.0 * kSCLthkLb - kSCLthkLa) / 4.0 + 0.05;
1548   const Float_t kSCLposxLb = kSCLthkLb + kSCLwidLb/2.0 + 0.05;
1549   const Float_t kSCLposzLa = kSCLwidLa/2.0;
1550   const Float_t kSCLposzLb = kSCLthkLb/2.0;
1551   // Vertical
1552   // Trapezoidal shape
1553   parSCLb[ 0] = fgkSlength/2.0;
1554   parSCLb[ 1] = 0.0;
1555   parSCLb[ 2] = 0.0;
1556   parSCLb[ 3] = kSCLwidLa /2.0;
1557   parSCLb[ 4] = kSCLthkLb /2.0;
1558   parSCLb[ 5] = kSCLthkLa /2.0;
1559   parSCLb[ 6] = 5.0;
1560   parSCLb[ 7] = kSCLwidLa /2.0;
1561   parSCLb[ 8] = kSCLthkLb /2.0;
1562   parSCLb[ 9] = kSCLthkLa /2.0;
1563   parSCLb[10] = 5.0;
1564   gMC->Gsvolu("USL3","TRAP",idtmed[1301-1],parSCLb,kNparSCLb);
1565   xpos  =   fgkSwidth1/2.0 - fgkSMpltT - kSCLposxLa;
1566   ypos  =   0.0;
1567   zpos  = - fgkSheight/2.0 + fgkSMpltT + kSCLposzLa;
1568   gMC->Gspos("USL3",1,"UTI1", xpos,ypos,zpos,matrix[2],"ONLY");
1569   gMC->Gspos("USL3",3,"UTI2", xpos,ypos,zpos,matrix[2],"ONLY");
1570   gMC->Gspos("USL3",5,"UTI3", xpos,ypos,zpos,matrix[2],"ONLY");
1571   xpos  = -xpos;
1572   gMC->Gspos("USL3",2,"UTI1", xpos,ypos,zpos,matrix[3],"ONLY");
1573   gMC->Gspos("USL3",4,"UTI2", xpos,ypos,zpos,matrix[3],"ONLY");
1574   gMC->Gspos("USL3",6,"UTI3", xpos,ypos,zpos,matrix[3],"ONLY");
1575   // Horizontal part
1576   parSCL[0]  = kSCLwidLb /2.0;
1577   parSCL[1]  = fgkSlength/2.0;
1578   parSCL[2]  = kSCLthkLb /2.0;
1579   gMC->Gsvolu("USL4","BOX ",idtmed[1301-1],parSCL,kNparSCL);
1580   xpos  =   fgkSwidth1/2.0 - fgkSMpltT - kSCLposxLb;
1581   ypos  =   0.0;
1582   zpos  = - fgkSheight/2.0 + fgkSMpltT + kSCLposzLb;
1583   gMC->Gspos("USL4",1,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1584   gMC->Gspos("USL4",3,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1585   gMC->Gspos("USL4",5,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1586   xpos  = -xpos;
1587   gMC->Gspos("USL4",2,"UTI1", xpos,ypos,zpos,        0,"ONLY");
1588   gMC->Gspos("USL4",4,"UTI2", xpos,ypos,zpos,        0,"ONLY");
1589   gMC->Gspos("USL4",6,"UTI3", xpos,ypos,zpos,        0,"ONLY");
1590
1591   //
1592   // Aluminum plates in the front part of the super modules
1593   //
1594
1595   const Int_t kNparTrd = 4;
1596   Float_t parTrd[kNparTrd];
1597   parTrd[0] = fgkSwidth1/2.0 - 2.5;
1598   parTrd[1] = fgkSwidth2/2.0 - 2.5;
1599   parTrd[2] = fgkSMpltT /2.0;
1600   parTrd[3] = fgkSheight/2.0 - 1.0;
1601   gMC->Gsvolu("UTA1","TRD1",idtmed[1301-1],parTrd,kNparTrd);
1602   xpos      =  0.0;
1603   ypos      =  fgkSMpltT/2.0 - fgkFlength/2.0;
1604   zpos      = -0.5;
1605   gMC->Gspos("UTA1",1,"UTF1",xpos, ypos,zpos,        0,"ONLY");
1606   gMC->Gspos("UTA1",2,"UTF2",xpos,-ypos,zpos,        0,"ONLY");
1607
1608   const Int_t kNparPlt = 3;
1609   Float_t parPlt[kNparPlt];
1610   parPlt[0] =  0.0;
1611   parPlt[1] =  0.0;
1612   parPlt[2] =  0.0;
1613   gMC->Gsvolu("UTA2","BOX ",idtmed[1301-1],parPlt,0);
1614   xpos      =  0.0;
1615   ypos      =  0.0;
1616   zpos      =  fgkSheight/2.0 - fgkSMpltT/2.0;
1617   parPlt[0] = fgkSwidth2/2.0 - 0.2;
1618   parPlt[1] = fgkFlength/2.0;
1619   parPlt[2] = fgkSMpltT /2.0;
1620   gMC->Gsposp("UTA2",1,"UTF2",xpos,ypos,zpos
1621                     ,        0,"ONLY",parPlt,kNparPlt);
1622   xpos      = (fgkSwidth1 + fgkSwidth2)/4.0 - fgkSMpltT/2.0 - 0.0016;
1623   ypos      =  0.0;
1624   zpos      =  0.0;
1625   parPlt[0] = fgkSMpltT /2.0;
1626   parPlt[1] = fgkFlength/2.0;
1627   parPlt[2] = fgkSheight/2.0;
1628   gMC->Gsposp("UTA2",2,"UTF2", xpos,ypos,zpos
1629                     ,matrix[0],"ONLY",parPlt,kNparPlt);
1630   gMC->Gsposp("UTA2",3,"UTF2",-xpos,ypos,zpos
1631                     ,matrix[1],"ONLY",parPlt,kNparPlt);
1632
1633   // Additional aluminum bar
1634   parBOX[0] = 80.0/2.0;
1635   parBOX[1] =  1.0/2.0;
1636   parBOX[2] = 10.0/2.0;
1637   gMC->Gsvolu("UTA3","BOX ",idtmed[1301-1],parBOX,kNparBOX);
1638   xpos      =  0.0;
1639   ypos      =  1.0/2.0 + fgkSMpltT - fgkFlength/2.0;
1640   zpos      =  fgkSheight/2.0 - 1.5 - 10.0/2.0;
1641   gMC->Gspos("UTA3",1,"UTF1", xpos, ypos, zpos,        0,"ONLY");
1642   gMC->Gspos("UTA3",2,"UTF2", xpos,-ypos, zpos,        0,"ONLY");
1643
1644 }
1645
1646 //_____________________________________________________________________________
1647 void AliTRDgeometry::CreateServices(Int_t *idtmed)
1648 {
1649   //
1650   // Create the geometry of the services
1651   //
1652   // Names of the TRD services volumina
1653   //
1654   //        UTC1    Cooling arterias (Al)
1655   //        UTC2    Cooling arterias (Water)
1656   //        UUxx    Volumes for the services at the chambers (Air)
1657   //        UMCM    Readout MCMs     (G10/Cu/Si)
1658   //        UDCS    DCSs boards      (G10/Cu)
1659   //        UTP1    Power bars       (Cu)
1660   //        UTCP    Cooling pipes    (Fe)
1661   //        UTCH    Cooling pipes    (Water)
1662   //        UTPL    Power lines      (Cu)
1663   //        UTGD    Gas distribution box (V2A)
1664   //
1665
1666   Int_t   ilayer = 0;
1667   Int_t   istack = 0;
1668
1669   Float_t xpos  = 0.0;
1670   Float_t ypos  = 0.0;
1671   Float_t zpos  = 0.0;
1672
1673   const Int_t kTag = 100;
1674   Char_t  cTagV[kTag];
1675
1676   const Int_t kNparBox  = 3;
1677   Float_t parBox[kNparBox];
1678
1679   const Int_t kNparTube = 3;
1680   Float_t parTube[kNparTube];
1681
1682   // Services inside the baby frame
1683   const Float_t kBBMdz = 223.0;
1684   const Float_t kBBSdz =   8.5;
1685
1686   // Services inside the back frame
1687   const Float_t kBFMdz = 118.0;
1688   const Float_t kBFSdz =   8.5;
1689
1690   // The rotation matrices
1691   const Int_t kNmatrix = 10;
1692   Int_t   matrix[kNmatrix];
1693   gMC->Matrix(matrix[0], 100.0,   0.0,  90.0,  90.0,  10.0,   0.0); // rotation around y-axis
1694   gMC->Matrix(matrix[1],  80.0,   0.0,  90.0,  90.0,  10.0, 180.0); // rotation around y-axis
1695   gMC->Matrix(matrix[2],   0.0,   0.0,  90.0,  90.0,  90.0,   0.0);
1696   gMC->Matrix(matrix[3], 180.0,   0.0,  90.0,  90.0,  90.0, 180.0);
1697   gMC->Matrix(matrix[4],  90.0,   0.0,   0.0,   0.0,  90.0,  90.0);
1698   gMC->Matrix(matrix[5], 100.0,   0.0,  90.0, 270.0,  10.0,   0.0);
1699   gMC->Matrix(matrix[6],  80.0,   0.0,  90.0, 270.0,  10.0, 180.0);
1700   gMC->Matrix(matrix[7],  90.0,  10.0,  90.0, 100.0,   0.0,   0.0); // rotation around z-axis
1701   gMC->Matrix(matrix[8],  90.0, 350.0,  90.0,  80.0,   0.0,   0.0); // rotation around z-axis
1702   gMC->Matrix(matrix[9],  90.0,  90.0,  90.0, 180.0,   0.0,   0.0); // rotation around z-axis
1703
1704   //
1705   // The cooling arterias
1706   //
1707
1708   // Width of the cooling arterias
1709   const Float_t kCOLwid  =  0.8;
1710   // Height of the cooling arterias
1711   const Float_t kCOLhgt  =  6.5;
1712   // Positioning of the cooling
1713   const Float_t kCOLposx =  1.0;
1714   const Float_t kCOLposz = -1.2;
1715   // Thickness of the walls of the cooling arterias
1716   const Float_t kCOLthk  =  0.1;
1717   const Int_t   kNparCOL =  3;
1718   Float_t parCOL[kNparCOL];
1719   parCOL[0] = 0.0;
1720   parCOL[1] = 0.0;
1721   parCOL[2] = 0.0;
1722   gMC->Gsvolu("UTC1","BOX ",idtmed[1308-1],parCOL,0);
1723   gMC->Gsvolu("UTC3","BOX ",idtmed[1308-1],parCOL,0);
1724   parCOL[0] =  kCOLwid/2.0 - kCOLthk;
1725   parCOL[1] = -1.0;
1726   parCOL[2] =  kCOLhgt/2.0 - kCOLthk;
1727   gMC->Gsvolu("UTC2","BOX ",idtmed[1314-1],parCOL,kNparCOL);
1728   gMC->Gsvolu("UTC4","BOX ",idtmed[1314-1],parCOL,kNparCOL);
1729
1730   xpos  = 0.0;
1731   ypos  = 0.0;
1732   zpos  = 0.0;
1733   gMC->Gspos("UTC2",1,"UTC1", xpos,ypos,zpos,0,"ONLY");
1734   gMC->Gspos("UTC4",1,"UTC3", xpos,ypos,zpos,0,"ONLY");
1735
1736   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1737
1738     // Along the chambers
1739     xpos      = fgkCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx;
1740     ypos      = 0.0;
1741     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1742               + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1743               + ilayer * (fgkCH + fgkVspace);
1744     parCOL[0] = kCOLwid   /2.0;
1745     parCOL[1] = fgkSlength/2.0;
1746     parCOL[2] = kCOLhgt   /2.0;
1747     gMC->Gsposp("UTC1",ilayer          ,"UTI1", xpos,ypos,zpos
1748                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1749     gMC->Gsposp("UTC1",ilayer+  kNlayer,"UTI1",-xpos,ypos,zpos
1750                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1751     gMC->Gsposp("UTC1",ilayer+6*kNlayer,"UTI2", xpos,ypos,zpos
1752                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1753     gMC->Gsposp("UTC1",ilayer+7*kNlayer,"UTI2",-xpos,ypos,zpos
1754                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1755     gMC->Gsposp("UTC1",ilayer+8*kNlayer ,"UTI3", xpos,ypos,zpos
1756                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1757     gMC->Gsposp("UTC1",ilayer+9*kNlayer,"UTI3",-xpos,ypos,zpos
1758                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1759
1760     // Front of supermodules
1761     xpos      = fgkCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx;
1762     ypos      = 0.0;
1763     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1764               + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1765               + ilayer * (fgkCH + fgkVspace);
1766     parCOL[0] = kCOLwid   /2.0;
1767     parCOL[1] = fgkFlength/2.0;
1768     parCOL[2] = kCOLhgt   /2.0;
1769     gMC->Gsposp("UTC3",ilayer+2*kNlayer,"UTF1", xpos,ypos,zpos
1770                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1771     gMC->Gsposp("UTC3",ilayer+3*kNlayer,"UTF1",-xpos,ypos,zpos
1772                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1773     gMC->Gsposp("UTC3",ilayer+4*kNlayer,"UTF2", xpos,ypos,zpos
1774                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1775     gMC->Gsposp("UTC3",ilayer+5*kNlayer,"UTF2",-xpos,ypos,zpos
1776                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1777
1778   }
1779
1780   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1781
1782     // In baby frame
1783     xpos      = fgkCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx - 2.5;
1784     ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1785     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1786               + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1787               + ilayer * (fgkCH + fgkVspace);
1788     parCOL[0] = kCOLwid/2.0;
1789     parCOL[1] = kBBSdz /2.0;
1790     parCOL[2] = kCOLhgt/2.0;
1791     gMC->Gsposp("UTC3",ilayer+6*kNlayer,"BBTRD", xpos, ypos, zpos
1792                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1793     gMC->Gsposp("UTC3",ilayer+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1794                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1795
1796   }
1797
1798   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1799
1800     // In back frame
1801     xpos      = fgkCwidth[ilayer]/2.0 + kCOLwid/2.0 + kCOLposx - 0.3;
1802     ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1803     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1804               + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
1805               + ilayer * (fgkCH + fgkVspace);
1806     parCOL[0] = kCOLwid/2.0;
1807     parCOL[1] = kBFSdz /2.0;
1808     parCOL[2] = kCOLhgt/2.0;
1809     gMC->Gsposp("UTC3",ilayer+6*kNlayer,"BFTRD", xpos,ypos,zpos
1810                       ,matrix[0],"ONLY",parCOL,kNparCOL);
1811     gMC->Gsposp("UTC3",ilayer+7*kNlayer,"BFTRD",-xpos,ypos,zpos
1812                       ,matrix[1],"ONLY",parCOL,kNparCOL);
1813
1814   }
1815
1816   // The upper most layer
1817   // Along the chambers
1818   xpos      = fgkCwidth[5]/2.0 - kCOLhgt/2.0 - 1.3;
1819   ypos      = 0.0;
1820   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1821   parCOL[0] = kCOLwid   /2.0;
1822   parCOL[1] = fgkSlength/2.0;
1823   parCOL[2] = kCOLhgt   /2.0;
1824   gMC->Gsposp("UTC1",6          ,"UTI1", xpos,ypos,zpos
1825                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1826   gMC->Gsposp("UTC1",6+  kNlayer,"UTI1",-xpos,ypos,zpos
1827                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1828   gMC->Gsposp("UTC1",6+6*kNlayer,"UTI2", xpos,ypos,zpos
1829                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1830   gMC->Gsposp("UTC1",6+7*kNlayer,"UTI2",-xpos,ypos,zpos
1831                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1832   gMC->Gsposp("UTC1",6+8*kNlayer,"UTI3", xpos,ypos,zpos
1833                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1834   gMC->Gsposp("UTC1",6+9*kNlayer,"UTI3",-xpos,ypos,zpos
1835                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1836   // Front of supermodules
1837   xpos      = fgkCwidth[5]/2.0 - kCOLhgt/2.0 - 1.3;
1838   ypos      = 0.0;
1839   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1840   parCOL[0] = kCOLwid   /2.0;
1841   parCOL[1] = fgkFlength/2.0;
1842   parCOL[2] = kCOLhgt   /2.0;
1843   gMC->Gsposp("UTC3",6+2*kNlayer,"UTF1", xpos,ypos,zpos
1844                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1845   gMC->Gsposp("UTC3",6+3*kNlayer,"UTF1",-xpos,ypos,zpos
1846                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1847   gMC->Gsposp("UTC3",6+4*kNlayer,"UTF2", xpos,ypos,zpos
1848                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1849   gMC->Gsposp("UTC3",6+5*kNlayer,"UTF2",-xpos,ypos,zpos
1850                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1851   // In baby frame
1852   xpos      = fgkCwidth[5]/2.0 - kCOLhgt/2.0 - 3.1;
1853   ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1854   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1855   parCOL[0] = kCOLwid/2.0;
1856   parCOL[1] = kBBSdz /2.0;
1857   parCOL[2] = kCOLhgt/2.0;
1858   gMC->Gsposp("UTC3",6+6*kNlayer,"BBTRD", xpos, ypos, zpos
1859                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1860   gMC->Gsposp("UTC3",6+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1861                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1862   // In back frame
1863   xpos      = fgkCwidth[5]/2.0 - kCOLhgt/2.0 - 1.3;
1864   ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1865   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.4 - kCOLwid/2.0;
1866   parCOL[0] = kCOLwid/2.0;
1867   parCOL[1] = kBFSdz /2.0;
1868   parCOL[2] = kCOLhgt/2.0;
1869   gMC->Gsposp("UTC3",6+6*kNlayer,"BFTRD", xpos,ypos,zpos
1870                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1871   gMC->Gsposp("UTC3",6+7*kNlayer,"BFTRD",-xpos,ypos,zpos
1872                     ,matrix[3],"ONLY",parCOL,kNparCOL);
1873
1874   //
1875   // The power bus bars
1876   //
1877
1878   const Float_t kPWRwid  =  0.6;
1879   // Increase the height of the power bus bars to take into
1880   // account the material of additional cables, etc.
1881   const Float_t kPWRhgtA =  5.0 + 0.2;
1882   const Float_t kPWRhgtB =  5.0;
1883   const Float_t kPWRposx =  2.0;
1884   const Float_t kPWRposz =  0.1;
1885   const Int_t   kNparPWR =  3;
1886   Float_t parPWR[kNparPWR];
1887   parPWR[0] = 0.0;
1888   parPWR[1] = 0.0;
1889   parPWR[2] = 0.0;
1890   gMC->Gsvolu("UTP1","BOX ",idtmed[1325-1],parPWR,0);
1891   gMC->Gsvolu("UTP3","BOX ",idtmed[1325-1],parPWR,0);
1892
1893   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1894
1895     // Along the chambers
1896     xpos      = fgkCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx;
1897     ypos      = 0.0;
1898     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1899               + kPWRhgtA/2.0 - fgkSheight/2.0 + kPWRposz
1900               + ilayer * (fgkCH + fgkVspace);
1901     parPWR[0] = kPWRwid   /2.0;
1902     parPWR[1] = fgkSlength/2.0;
1903     parPWR[2] = kPWRhgtA  /2.0;
1904     gMC->Gsposp("UTP1",ilayer          ,"UTI1", xpos,ypos,zpos
1905                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1906     gMC->Gsposp("UTP1",ilayer+  kNlayer,"UTI1",-xpos,ypos,zpos
1907                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1908     gMC->Gsposp("UTP1",ilayer+6*kNlayer,"UTI2", xpos,ypos,zpos
1909                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1910     gMC->Gsposp("UTP1",ilayer+7*kNlayer,"UTI2",-xpos,ypos,zpos
1911                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1912     gMC->Gsposp("UTP1",ilayer+8*kNlayer,"UTI3", xpos,ypos,zpos
1913                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1914     gMC->Gsposp("UTP1",ilayer+9*kNlayer,"UTI3",-xpos,ypos,zpos
1915                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1916
1917     // Front of supermodule
1918     xpos      = fgkCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx;
1919     ypos      = 0.0;
1920     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1921               + kPWRhgtA/2.0 - fgkSheight/2.0 + kPWRposz
1922               + ilayer * (fgkCH + fgkVspace);
1923     parPWR[0] = kPWRwid   /2.0;
1924     parPWR[1] = fgkFlength/2.0;
1925     parPWR[2] = kPWRhgtA  /2.0;
1926     gMC->Gsposp("UTP3",ilayer+2*kNlayer,"UTF1", xpos,ypos,zpos
1927                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1928     gMC->Gsposp("UTP3",ilayer+3*kNlayer,"UTF1",-xpos,ypos,zpos
1929                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1930     gMC->Gsposp("UTP3",ilayer+4*kNlayer,"UTF2", xpos,ypos,zpos
1931                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1932     gMC->Gsposp("UTP3",ilayer+5*kNlayer,"UTF2",-xpos,ypos,zpos
1933                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1934
1935   }
1936
1937   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1938
1939     // In baby frame
1940     xpos      = fgkCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx - 2.5;
1941     ypos      = kBBSdz/2.0 - kBBMdz/2.0;
1942     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1943               + kPWRhgtB/2.0 - fgkSheight/2.0 + kPWRposz
1944               + ilayer * (fgkCH + fgkVspace);
1945     parPWR[0] = kPWRwid /2.0;
1946     parPWR[1] = kBBSdz  /2.0;
1947     parPWR[2] = kPWRhgtB/2.0;
1948     gMC->Gsposp("UTP3",ilayer+6*kNlayer,"BBTRD", xpos, ypos, zpos
1949                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1950     gMC->Gsposp("UTP3",ilayer+7*kNlayer,"BBTRD",-xpos, ypos, zpos
1951                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1952
1953   }
1954
1955   for (ilayer = 1; ilayer < kNlayer; ilayer++) {
1956
1957     // In back frame
1958     xpos      = fgkCwidth[ilayer]/2.0 + kPWRwid/2.0 + kPWRposx - 0.3;
1959     ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
1960     zpos      = fgkVrocsm + fgkSMpltT - fgkCalZpos
1961               + kPWRhgtB/2.0 - fgkSheight/2.0 + kPWRposz
1962               + ilayer * (fgkCH + fgkVspace);
1963     parPWR[0] = kPWRwid /2.0;
1964     parPWR[1] = kBFSdz  /2.0;
1965     parPWR[2] = kPWRhgtB/2.0;
1966     gMC->Gsposp("UTP3",ilayer+8*kNlayer,"BFTRD", xpos,ypos,zpos
1967                       ,matrix[0],"ONLY",parPWR,kNparPWR);
1968     gMC->Gsposp("UTP3",ilayer+9*kNlayer,"BFTRD",-xpos,ypos,zpos
1969                       ,matrix[1],"ONLY",parPWR,kNparPWR);
1970
1971   }
1972
1973   // The upper most layer
1974   // Along the chambers
1975   xpos      = fgkCwidth[5]/2.0 + kPWRhgtB/2.0 - 1.3;
1976   ypos      = 0.0;
1977   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
1978   parPWR[0] = kPWRwid   /2.0;
1979   parPWR[1] = fgkSlength/2.0;
1980   parPWR[2] = kPWRhgtB  /2.0 ;
1981   gMC->Gsposp("UTP1",6          ,"UTI1", xpos,ypos,zpos
1982                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1983   gMC->Gsposp("UTP1",6+  kNlayer,"UTI1",-xpos,ypos,zpos
1984                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1985   gMC->Gsposp("UTP1",6+6*kNlayer,"UTI2", xpos,ypos,zpos
1986                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1987   gMC->Gsposp("UTP1",6+7*kNlayer,"UTI2",-xpos,ypos,zpos
1988                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1989   gMC->Gsposp("UTP1",6+8*kNlayer,"UTI3", xpos,ypos,zpos
1990                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1991   gMC->Gsposp("UTP1",6+9*kNlayer,"UTI3",-xpos,ypos,zpos
1992                     ,matrix[3],"ONLY",parPWR,kNparPWR);
1993   // Front of supermodules
1994   xpos      = fgkCwidth[5]/2.0 + kPWRhgtB/2.0 - 1.3;
1995   ypos      = 0.0;
1996   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
1997   parPWR[0] = kPWRwid   /2.0;
1998   parPWR[1] = fgkFlength/2.0;
1999   parPWR[2] = kPWRhgtB  /2.0;
2000   gMC->Gsposp("UTP3",6+2*kNlayer,"UTF1", xpos,ypos,zpos
2001                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2002   gMC->Gsposp("UTP3",6+3*kNlayer,"UTF1",-xpos,ypos,zpos
2003                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2004   gMC->Gsposp("UTP3",6+4*kNlayer,"UTF2", xpos,ypos,zpos
2005                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2006   gMC->Gsposp("UTP3",6+5*kNlayer,"UTF2",-xpos,ypos,zpos
2007                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2008   // In baby frame
2009   xpos      = fgkCwidth[5]/2.0 + kPWRhgtB/2.0 - 3.0;
2010   ypos      = kBBSdz/2.0 - kBBMdz/2.0;
2011   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
2012   parPWR[0] = kPWRwid /2.0;
2013   parPWR[1] = kBBSdz  /2.0;
2014   parPWR[2] = kPWRhgtB/2.0;
2015   gMC->Gsposp("UTP3",6+6*kNlayer,"BBTRD", xpos, ypos, zpos
2016                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2017   gMC->Gsposp("UTP3",6+7*kNlayer,"BBTRD",-xpos, ypos, zpos
2018                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2019   // In back frame
2020   xpos      = fgkCwidth[5]/2.0 + kPWRhgtB/2.0 - 1.3;
2021   ypos      = -kBFSdz/2.0 + kBFMdz/2.0;
2022   zpos      = fgkSheight/2.0 - fgkSMpltT - 0.6 - kPWRwid/2.0;
2023   parPWR[0] = kPWRwid /2.0;
2024   parPWR[1] = kBFSdz  /2.0;
2025   parPWR[2] = kPWRhgtB/2.0;
2026   gMC->Gsposp("UTP3",6+8*kNlayer,"BFTRD", xpos,ypos,zpos
2027                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2028   gMC->Gsposp("UTP3",6+9*kNlayer,"BFTRD",-xpos,ypos,zpos
2029                     ,matrix[3],"ONLY",parPWR,kNparPWR);
2030
2031   //
2032   // The gas tubes connecting the chambers in the super modules with holes
2033   // Material: Stainless steel
2034   //
2035
2036   parTube[0] = 0.0;
2037   parTube[1] = 2.2/2.0;
2038   parTube[2] = fgkClength[5][2]/2.0 - fgkHspace/2.0;
2039   gMC->Gsvolu("UTG1","TUBE",idtmed[1308-1],parTube,kNparTube);
2040   parTube[0] = 0.0;
2041   parTube[1] = 2.1/2.0;
2042   parTube[2] = fgkClength[5][2]/2.0 - fgkHspace/2.0;
2043   gMC->Gsvolu("UTG2","TUBE",idtmed[1309-1],parTube,kNparTube);
2044   xpos  = 0.0;
2045   ypos  = 0.0;
2046   zpos  = 0.0;
2047   gMC->Gspos("UTG2",1,"UTG1",xpos,ypos,zpos,0,"ONLY");
2048   for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2049     xpos      = fgkCwidth[ilayer]/2.0 + kCOLwid/2.0 - 1.5;
2050     ypos      = 0.0;
2051     zpos      = fgkVrocsm + fgkSMpltT + kCOLhgt/2.0 - fgkSheight/2.0 + 5.0
2052               + ilayer * (fgkCH + fgkVspace);
2053     gMC->Gspos("UTG1",1+ilayer,"UTI3", xpos, ypos, zpos,matrix[4],"ONLY");
2054     gMC->Gspos("UTG1",7+ilayer,"UTI3",-xpos, ypos, zpos,matrix[4],"ONLY");
2055   }
2056
2057   //
2058   // The volumes for the services at the chambers
2059   //
2060
2061   const Int_t kNparServ = 3;
2062   Float_t parServ[kNparServ];
2063
2064   for (istack = 0; istack < kNstack; istack++) {
2065     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2066
2067       Int_t iDet = GetDetectorSec(ilayer,istack);
2068
2069       snprintf(cTagV,kTag,"UU%02d",iDet);
2070       parServ[0] = fgkCwidth[ilayer]         /2.0;
2071       parServ[1] = fgkClength[ilayer][istack]/2.0 - fgkHspace/2.0;
2072       parServ[2] = fgkCsvH                 /2.0;
2073       gMC->Gsvolu(cTagV,"BOX",idtmed[1302-1],parServ,kNparServ);
2074
2075     }
2076   }
2077
2078   //
2079   // The cooling pipes inside the service volumes
2080   //
2081
2082   // The cooling pipes
2083   parTube[0] =  0.0;
2084   parTube[1] =  0.0;
2085   parTube[2] =  0.0;
2086   gMC->Gsvolu("UTCP","TUBE",idtmed[1324-1],parTube,0);
2087   // The cooling water
2088   parTube[0] =  0.0;
2089   parTube[1] =  0.2/2.0;
2090   parTube[2] = -1.0;
2091   gMC->Gsvolu("UTCH","TUBE",idtmed[1314-1],parTube,kNparTube);
2092   // Water inside the cooling pipe
2093   xpos = 0.0;
2094   ypos = 0.0;
2095   zpos = 0.0;
2096   gMC->Gspos("UTCH",1,"UTCP",xpos,ypos,zpos,0,"ONLY");
2097
2098   // Position the cooling pipes in the mother volume
2099   for (istack = 0; istack < kNstack; istack++) {
2100     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2101       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2102       Int_t   iCopy   = GetDetector(ilayer,istack,0) * 100;
2103       Int_t   nMCMrow = GetRowMax(ilayer,istack,0);
2104       Float_t ySize   = (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2105                       / ((Float_t) nMCMrow);
2106       snprintf(cTagV,kTag,"UU%02d",iDet);
2107       for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
2108         xpos   = 0.0;
2109         ypos   = (0.5 + iMCMrow) * ySize
2110                - fgkClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2111         zpos   = 0.0 + 0.742/2.0;
2112         // The cooling pipes
2113         parTube[0] = 0.0;
2114         parTube[1] = 0.3/2.0; // Thickness of the cooling pipes
2115         parTube[2] = fgkCwidth[ilayer]/2.0;
2116         gMC->Gsposp("UTCP",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
2117                           ,matrix[2],"ONLY",parTube,kNparTube);
2118       }
2119     }
2120   }
2121
2122   //
2123   // The power lines
2124   //
2125
2126   // The copper power lines
2127   parTube[0] = 0.0;
2128   parTube[1] = 0.0;
2129   parTube[2] = 0.0;
2130   gMC->Gsvolu("UTPL","TUBE",idtmed[1305-1],parTube,0);
2131
2132   // Position the power lines in the mother volume
2133   for (istack = 0; istack < kNstack; istack++) {
2134     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2135       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2136       Int_t   iCopy   = GetDetector(ilayer,istack,0) * 100;
2137       Int_t   nMCMrow = GetRowMax(ilayer,istack,0);
2138       Float_t ySize   = (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2139                       / ((Float_t) nMCMrow);
2140       snprintf(cTagV,kTag,"UU%02d",iDet);
2141       for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
2142         xpos       = 0.0;
2143         ypos       = (0.5 + iMCMrow) * ySize - 1.0
2144                    - fgkClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2145         zpos       = -0.4 + 0.742/2.0;
2146         parTube[0] = 0.0;
2147         parTube[1] = 0.2/2.0; // Thickness of the power lines
2148         parTube[2] = fgkCwidth[ilayer]/2.0;
2149         gMC->Gsposp("UTPL",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
2150                           ,matrix[2],"ONLY",parTube,kNparTube);
2151       }
2152     }
2153   }
2154
2155   //
2156   // The MCMs
2157   //
2158
2159   const Float_t kMCMx    = 3.0;
2160   const Float_t kMCMy    = 3.0;
2161   const Float_t kMCMz    = 0.3;
2162
2163   const Float_t kMCMpcTh = 0.1;
2164   const Float_t kMCMcuTh = 0.0025;
2165   const Float_t kMCMsiTh = 0.03;
2166   const Float_t kMCMcoTh = 0.04;
2167
2168   // The mother volume for the MCMs (air)
2169   const Int_t kNparMCM = 3;
2170   Float_t parMCM[kNparMCM];
2171   parMCM[0] = kMCMx   /2.0;
2172   parMCM[1] = kMCMy   /2.0;
2173   parMCM[2] = kMCMz   /2.0;
2174   gMC->Gsvolu("UMCM","BOX",idtmed[1302-1],parMCM,kNparMCM);
2175
2176   // The MCM carrier G10 layer
2177   parMCM[0] = kMCMx   /2.0;
2178   parMCM[1] = kMCMy   /2.0;
2179   parMCM[2] = kMCMpcTh/2.0;
2180   gMC->Gsvolu("UMC1","BOX",idtmed[1319-1],parMCM,kNparMCM);
2181   // The MCM carrier Cu layer
2182   parMCM[0] = kMCMx   /2.0;
2183   parMCM[1] = kMCMy   /2.0;
2184   parMCM[2] = kMCMcuTh/2.0;
2185   gMC->Gsvolu("UMC2","BOX",idtmed[1318-1],parMCM,kNparMCM);
2186   // The silicon of the chips
2187   parMCM[0] = kMCMx   /2.0;
2188   parMCM[1] = kMCMy   /2.0;
2189   parMCM[2] = kMCMsiTh/2.0;
2190   gMC->Gsvolu("UMC3","BOX",idtmed[1320-1],parMCM,kNparMCM);
2191   // The aluminum of the cooling plates
2192   parMCM[0] = kMCMx   /2.0;
2193   parMCM[1] = kMCMy   /2.0;
2194   parMCM[2] = kMCMcoTh/2.0;
2195   gMC->Gsvolu("UMC4","BOX",idtmed[1324-1],parMCM,kNparMCM);
2196
2197   // Put the MCM material inside the MCM mother volume
2198   xpos  =  0.0;
2199   ypos  =  0.0;
2200   zpos  = -kMCMz   /2.0 + kMCMpcTh/2.0;
2201   gMC->Gspos("UMC1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2202   zpos +=  kMCMpcTh/2.0 + kMCMcuTh/2.0;
2203   gMC->Gspos("UMC2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2204   zpos +=  kMCMcuTh/2.0 + kMCMsiTh/2.0;
2205   gMC->Gspos("UMC3",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2206   zpos +=  kMCMsiTh/2.0 + kMCMcoTh/2.0;
2207   gMC->Gspos("UMC4",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
2208
2209   // Position the MCMs in the mother volume
2210   for (istack = 0; istack < kNstack; istack++) {
2211     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2212       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2213       Int_t   iCopy   = GetDetector(ilayer,istack,0) * 1000;
2214       Int_t   nMCMrow = GetRowMax(ilayer,istack,0);
2215       Float_t ySize   = (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2216                       / ((Float_t) nMCMrow);
2217       Int_t   nMCMcol = 8;
2218       Float_t xSize   = (GetChamberWidth(ilayer)         - 2.0*fgkCpadW)
2219                       / ((Float_t) nMCMcol + 6);             // Introduce 6 gaps
2220       Int_t   iMCM[8] = {  1,  2,  3,  5,  8,  9, 10, 12 };  // 0..7 MCM + 6 gap structure
2221       snprintf(cTagV,kTag,"UU%02d",iDet);
2222       for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
2223         for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
2224           xpos      = (0.5 + iMCM[iMCMcol]) * xSize + 1.0
2225                     - fgkCwidth[ilayer]/2.0;
2226           ypos      = (0.5 + iMCMrow) * ySize + 1.0
2227                     - fgkClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2228           zpos      = -0.4 + 0.742/2.0;
2229           gMC->Gspos("UMCM",iCopy+iMCMrow*10+iMCMcol,cTagV
2230                            ,xpos,ypos,zpos,0,"ONLY");
2231           // Add two additional smaller cooling pipes on top of the MCMs
2232           // to mimic the meandering structure
2233           xpos      = (0.5 + iMCM[iMCMcol]) * xSize + 1.0
2234                     - fgkCwidth[ilayer]/2.0;
2235           ypos      = (0.5 + iMCMrow) * ySize
2236                     - fgkClength[ilayer][istack]/2.0 + fgkHspace/2.0;
2237           zpos      = 0.0 + 0.742/2.0;
2238           parTube[0] = 0.0;
2239           parTube[1] = 0.3/2.0; // Thickness of the cooling pipes
2240           parTube[2] = kMCMx/2.0;
2241           gMC->Gsposp("UTCP",iCopy+iMCMrow*10+iMCMcol+ 50,cTagV
2242                             ,xpos,ypos+1.0,zpos
2243                             ,matrix[2],"ONLY",parTube,kNparTube);
2244           gMC->Gsposp("UTCP",iCopy+iMCMrow*10+iMCMcol+500,cTagV
2245                             ,xpos,ypos+2.0,zpos
2246                             ,matrix[2],"ONLY",parTube,kNparTube);
2247
2248         }
2249       }
2250
2251     }
2252   }
2253
2254   //
2255   // The DCS boards
2256   //
2257
2258   const Float_t kDCSx    =  9.0;
2259   const Float_t kDCSy    = 14.5;
2260   const Float_t kDCSz    =  0.3;
2261
2262   const Float_t kDCSpcTh =  0.15;
2263   const Float_t kDCScuTh =  0.01;
2264   const Float_t kDCScoTh =  0.04;
2265
2266   // The mother volume for the DCSs (air)
2267   const Int_t kNparDCS = 3;
2268   Float_t parDCS[kNparDCS];
2269   parDCS[0] = kDCSx   /2.0;
2270   parDCS[1] = kDCSy   /2.0;
2271   parDCS[2] = kDCSz   /2.0;
2272   gMC->Gsvolu("UDCS","BOX",idtmed[1302-1],parDCS,kNparDCS);
2273
2274   // The DCS carrier G10 layer
2275   parDCS[0] = kDCSx   /2.0;
2276   parDCS[1] = kDCSy   /2.0;
2277   parDCS[2] = kDCSpcTh/2.0;
2278   gMC->Gsvolu("UDC1","BOX",idtmed[1319-1],parDCS,kNparDCS);
2279   // The DCS carrier Cu layer
2280   parDCS[0] = kDCSx   /2.0;
2281   parDCS[1] = kDCSy   /2.0;
2282   parDCS[2] = kDCScuTh/2.0;
2283   gMC->Gsvolu("UDC2","BOX",idtmed[1318-1],parDCS,kNparDCS);
2284   // The aluminum of the cooling plates
2285   parDCS[0] = 5.0     /2.0;
2286   parDCS[1] = 5.0     /2.0;
2287   parDCS[2] = kDCScoTh/2.0;
2288   gMC->Gsvolu("UDC3","BOX",idtmed[1324-1],parDCS,kNparDCS);
2289
2290   // Put the DCS material inside the DCS mother volume
2291   xpos  =  0.0;
2292   ypos  =  0.0;
2293   zpos  = -kDCSz   /2.0 + kDCSpcTh/2.0;
2294   gMC->Gspos("UDC1",1,"UDCS",xpos,ypos,zpos,0,"ONLY");
2295   zpos +=  kDCSpcTh/2.0 + kDCScuTh/2.0;
2296   gMC->Gspos("UDC2",1,"UDCS",xpos,ypos,zpos,0,"ONLY");
2297   zpos +=  kDCScuTh/2.0 + kDCScoTh/2.0;
2298   gMC->Gspos("UDC3",1,"UDCS",xpos,ypos,zpos,0,"ONLY");
2299
2300   // Put the DCS board in the chamber services mother volume
2301   for (istack = 0; istack < kNstack; istack++) {
2302     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2303       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2304       Int_t   iCopy   = iDet + 1;
2305       xpos =  fgkCwidth[ilayer]/2.0 - 1.9 * (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2306                                         / ((Float_t) GetRowMax(ilayer,istack,0));
2307       ypos =  0.05 * fgkClength[ilayer][istack];
2308       zpos =  kDCSz/2.0 - fgkCsvH/2.0;
2309       snprintf(cTagV,kTag,"UU%02d",iDet);
2310       gMC->Gspos("UDCS",iCopy,cTagV,xpos,ypos,zpos,0,"ONLY");
2311     }
2312   }
2313
2314   //
2315   // The ORI boards
2316   //
2317
2318   const Float_t kORIx    =  4.2;
2319   const Float_t kORIy    = 13.5;
2320   const Float_t kORIz    =  0.3;
2321
2322   const Float_t kORIpcTh =  0.15;
2323   const Float_t kORIcuTh =  0.01;
2324   const Float_t kORIcoTh =  0.04;
2325
2326   // The mother volume for the ORIs (air)
2327   const Int_t kNparORI = 3;
2328   Float_t parORI[kNparORI];
2329   parORI[0] = kORIx   /2.0;
2330   parORI[1] = kORIy   /2.0;
2331   parORI[2] = kORIz   /2.0;
2332   gMC->Gsvolu("UORI","BOX",idtmed[1302-1],parORI,kNparORI);
2333
2334   // The ORI carrier G10 layer
2335   parORI[0] = kORIx   /2.0;
2336   parORI[1] = kORIy   /2.0;
2337   parORI[2] = kORIpcTh/2.0;
2338   gMC->Gsvolu("UOR1","BOX",idtmed[1319-1],parORI,kNparORI);
2339   // The ORI carrier Cu layer
2340   parORI[0] = kORIx   /2.0;
2341   parORI[1] = kORIy   /2.0;
2342   parORI[2] = kORIcuTh/2.0;
2343   gMC->Gsvolu("UOR2","BOX",idtmed[1318-1],parORI,kNparORI);
2344   // The aluminum of the cooling plates
2345   parORI[0] = kORIx   /2.0;
2346   parORI[1] = kORIy   /2.0;
2347   parORI[2] = kORIcoTh/2.0;
2348   gMC->Gsvolu("UOR3","BOX",idtmed[1324-1],parORI,kNparORI);
2349
2350   // Put the ORI material inside the ORI mother volume
2351   xpos  =  0.0;
2352   ypos  =  0.0;
2353   zpos  = -kORIz   /2.0 + kORIpcTh/2.0;
2354   gMC->Gspos("UOR1",1,"UORI",xpos,ypos,zpos,0,"ONLY");
2355   zpos +=  kORIpcTh/2.0 + kORIcuTh/2.0;
2356   gMC->Gspos("UOR2",1,"UORI",xpos,ypos,zpos,0,"ONLY");
2357   zpos +=  kORIcuTh/2.0 + kORIcoTh/2.0;
2358   gMC->Gspos("UOR3",1,"UORI",xpos,ypos,zpos,0,"ONLY");
2359
2360   // Put the ORI board in the chamber services mother volume
2361   for (istack = 0; istack < kNstack; istack++) {
2362     for (ilayer = 0; ilayer < kNlayer; ilayer++) {
2363       Int_t   iDet    = GetDetectorSec(ilayer,istack);
2364       Int_t   iCopy   = iDet + 1;
2365       xpos =  fgkCwidth[ilayer]/2.0 - 1.92 * (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2366                                         / ((Float_t) GetRowMax(ilayer,istack,0));
2367       ypos = -16.0;
2368       zpos =  kORIz/2.0 - fgkCsvH/2.0;
2369       snprintf(cTagV,kTag,"UU%02d",iDet);
2370       gMC->Gspos("UORI",iCopy      ,cTagV,xpos,ypos,zpos,0,"ONLY");
2371       xpos = -fgkCwidth[ilayer]/2.0 + 3.8 * (GetChamberLength(ilayer,istack) - 2.0*fgkRpadW)
2372                                         / ((Float_t) GetRowMax(ilayer,istack,0));
2373       ypos = -16.0;
2374       zpos =  kORIz/2.0 - fgkCsvH/2.0;
2375       snprintf(cTagV,kTag,"UU%02d",iDet);
2376       gMC->Gspos("UORI",iCopy+kNdet,cTagV,xpos,ypos,zpos,0,"ONLY");
2377     }
2378   }
2379
2380   //
2381   // Services in front of the super module
2382   //
2383
2384   // Gas in-/outlet pipes (INOX)
2385   parTube[0] = 0.0;
2386   parTube[1] = 0.0;
2387   parTube[2] = 0.0;
2388   gMC->Gsvolu("UTG3","TUBE",idtmed[1308-1],parTube,0);
2389   // The gas inside the in-/outlet pipes (Xe)
2390   parTube[0] =  0.0;
2391   parTube[1] =  1.2/2.0;
2392   parTube[2] = -1.0;
2393   gMC->Gsvolu("UTG4","TUBE",idtmed[1309-1],parTube,kNparTube);
2394   xpos = 0.0;
2395   ypos = 0.0;
2396   zpos = 0.0;
2397   gMC->Gspos("UTG4",1,"UTG3",xpos,ypos,zpos,0,"ONLY");
2398   for (ilayer = 0; ilayer < kNlayer-1; ilayer++) {
2399     xpos       = 0.0;
2400     ypos       = fgkClength[ilayer][2]/2.0
2401                + fgkClength[ilayer][1]
2402                + fgkClength[ilayer][0];
2403     zpos       = 9.0 - fgkSheight/2.0
2404                + ilayer * (fgkCH + fgkVspace);
2405     parTube[0] = 0.0;
2406     parTube[1] = 1.5/2.0;
2407     parTube[2] = fgkCwidth[ilayer]/2.0 - 2.5;
2408     gMC->Gsposp("UTG3",ilayer+1          ,"UTI1", xpos, ypos, zpos
2409                       ,matrix[2],"ONLY",parTube,kNparTube);
2410     gMC->Gsposp("UTG3",ilayer+1+1*kNlayer,"UTI1", xpos,-ypos, zpos
2411                       ,matrix[2],"ONLY",parTube,kNparTube);
2412     gMC->Gsposp("UTG3",ilayer+1+2*kNlayer,"UTI2", xpos, ypos, zpos
2413                       ,matrix[2],"ONLY",parTube,kNparTube);
2414     gMC->Gsposp("UTG3",ilayer+1+3*kNlayer,"UTI2", xpos,-ypos, zpos
2415                       ,matrix[2],"ONLY",parTube,kNparTube);
2416     gMC->Gsposp("UTG3",ilayer+1+4*kNlayer,"UTI3", xpos, ypos, zpos
2417                       ,matrix[2],"ONLY",parTube,kNparTube);
2418     gMC->Gsposp("UTG3",ilayer+1+5*kNlayer,"UTI3", xpos,-ypos, zpos
2419                       ,matrix[2],"ONLY",parTube,kNparTube);
2420   }
2421
2422   // Gas distribution box
2423   parBox[0] = 14.50/2.0;
2424   parBox[1] =  4.52/2.0;
2425   parBox[2] =  5.00/2.0;
2426   gMC->Gsvolu("UTGD","BOX ",idtmed[1308-1],parBox,kNparBox);
2427   parBox[0] = 14.50/2.0;
2428   parBox[1] =  4.00/2.0;
2429   parBox[2] =  4.40/2.0;
2430   gMC->Gsvolu("UTGI","BOX ",idtmed[1309-1],parBox,kNparBox);
2431   parTube[0] = 0.0;
2432   parTube[1] = 4.0/2.0;
2433   parTube[2] = 8.0/2.0;
2434   gMC->Gsvolu("UTGT","TUBE",idtmed[1308-1],parTube,kNparTube);
2435   parTube[0] = 0.0;
2436   parTube[1] = 3.4/2.0;
2437   parTube[2] = 8.0/2.0;
2438   gMC->Gsvolu("UTGG","TUBE",idtmed[1309-1],parTube,kNparTube);
2439   xpos = 0.0;
2440   ypos = 0.0;
2441   zpos = 0.0;
2442   gMC->Gspos("UTGI",1,"UTGD",xpos,ypos,zpos,        0,"ONLY");
2443   gMC->Gspos("UTGG",1,"UTGT",xpos,ypos,zpos,        0,"ONLY");
2444   xpos = 0.0;
2445   ypos = 0.0;
2446   zpos = 0.0;
2447   gMC->Gspos("UTGD",1,"UTF1",xpos,ypos,zpos,        0,"ONLY");
2448   xpos =  -3.0;
2449   ypos =   0.0;
2450   zpos =   6.5;
2451   gMC->Gspos("UTGT",1,"UTF1",xpos,ypos,zpos,        0,"ONLY");
2452   xpos = -11.25;
2453   ypos =   0.0;
2454   zpos =   0.5;
2455   gMC->Gspos("UTGT",3,"UTF1",xpos,ypos,zpos,matrix[2],"ONLY");
2456   xpos =  11.25;
2457   ypos =   0.0;
2458   zpos =   0.5;
2459   gMC->Gspos("UTGT",5,"UTF1",xpos,ypos,zpos,matrix[2],"ONLY");
2460
2461   // Cooling manifolds
2462   parBox[0]  =  5.0/2.0;
2463   parBox[1]  = 23.0/2.0;
2464   parBox[2]  = 70.0/2.0;
2465   gMC->Gsvolu("UTCM","BOX ",idtmed[1302-1],parBox,kNparBox);
2466   parBox[0]  =  5.0/2.0;
2467   parBox[1]  =  5.0/2.0;
2468   parBox[2]  = 70.0/2.0;
2469   gMC->Gsvolu("UTCA","BOX ",idtmed[1308-1],parBox,kNparBox);
2470   parBox[0]  =  5.0/2.0 - 0.3;
2471   parBox[1]  =  5.0/2.0 - 0.3;
2472   parBox[2]  = 70.0/2.0 - 0.3;
2473   gMC->Gsvolu("UTCW","BOX ",idtmed[1314-1],parBox,kNparBox);
2474   xpos       =  0.0;
2475   ypos       =  0.0;
2476   zpos       =  0.0;
2477   gMC->Gspos("UTCW",1,"UTCA", xpos, ypos, zpos,        0,"ONLY");
2478   xpos       =  0.0;
2479   ypos       =  5.0/2.0 - 23.0/2.0;
2480   zpos       =  0.0;
2481   gMC->Gspos("UTCA",1,"UTCM", xpos, ypos, zpos,        0,"ONLY");
2482   parTube[0] =  0.0;
2483   parTube[1] =  3.0/2.0;
2484   parTube[2] = 18.0/2.0;
2485   gMC->Gsvolu("UTCO","TUBE",idtmed[1308-1],parTube,kNparTube);
2486   parTube[0] =  0.0;
2487   parTube[1] =  3.0/2.0 - 0.3;
2488   parTube[2] = 18.0/2.0;
2489   gMC->Gsvolu("UTCL","TUBE",idtmed[1314-1],parTube,kNparTube);
2490   xpos       =  0.0;
2491   ypos       =  0.0;
2492   zpos       =  0.0;
2493   gMC->Gspos("UTCL",1,"UTCO", xpos, ypos, zpos,        0,"ONLY");
2494   xpos       =  0.0;
2495   ypos       =  2.5;
2496   zpos       = -70.0/2.0 + 7.0;
2497   gMC->Gspos("UTCO",1,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2498   zpos      +=  7.0;
2499   gMC->Gspos("UTCO",2,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2500   zpos      +=  7.0;
2501   gMC->Gspos("UTCO",3,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2502   zpos      +=  7.0;
2503   gMC->Gspos("UTCO",4,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2504   zpos      +=  7.0;
2505   gMC->Gspos("UTCO",5,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2506   zpos      +=  7.0;
2507   gMC->Gspos("UTCO",6,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2508   zpos      +=  7.0;
2509   gMC->Gspos("UTCO",7,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2510   zpos      +=  7.0;
2511   gMC->Gspos("UTCO",8,"UTCM", xpos, ypos, zpos,matrix[4],"ONLY");
2512
2513   xpos = 40.0;
2514   ypos =  fgkFlength/2.0 - 23.0/2.0;
2515   zpos =  0.0;
2516   gMC->Gspos("UTCM",1,"UTF1", xpos, ypos, zpos,matrix[0],"ONLY");
2517   gMC->Gspos("UTCM",2,"UTF1",-xpos, ypos, zpos,matrix[1],"ONLY");
2518   gMC->Gspos("UTCM",3,"UTF2", xpos,-ypos, zpos,matrix[5],"ONLY");
2519   gMC->Gspos("UTCM",4,"UTF2",-xpos,-ypos, zpos,matrix[6],"ONLY");
2520
2521   // Power connection boards (Cu)
2522   parBox[0] =  0.5/2.0;
2523   parBox[1] = 15.0/2.0;
2524   parBox[2] =  7.0/2.0;
2525   gMC->Gsvolu("UTPC","BOX ",idtmed[1325-1],parBox,kNparBox);
2526   for (ilayer = 0; ilayer < kNlayer-1; ilayer++) {
2527     xpos      = fgkCwidth[ilayer]/2.0 + kPWRwid/2.0;
2528     ypos      = 0.0;
2529     zpos      = fgkVrocsm + fgkSMpltT + kPWRhgtA/2.0 - fgkSheight/2.0 + kPWRposz
2530               + (ilayer+1) * (fgkCH + fgkVspace);
2531     gMC->Gspos("UTPC",ilayer        ,"UTF1", xpos,ypos,zpos,matrix[0],"ONLY");
2532     gMC->Gspos("UTPC",ilayer+kNlayer,"UTF1",-xpos,ypos,zpos,matrix[1],"ONLY");
2533   }
2534   xpos      = fgkCwidth[5]/2.0 + kPWRhgtA/2.0 - 2.0;
2535   ypos      = 0.0;
2536   zpos      = fgkSheight/2.0 - fgkSMpltT - 2.0;
2537   gMC->Gspos("UTPC",5        ,"UTF1", xpos,ypos,zpos,matrix[3],"ONLY");
2538   gMC->Gspos("UTPC",5+kNlayer,"UTF1",-xpos,ypos,zpos,matrix[3],"ONLY");
2539
2540   // Power connection panel (Al)
2541   parBox[0] = 60.0/2.0;
2542   parBox[1] = 10.0/2.0;
2543   parBox[2] =  3.0/2.0;
2544   gMC->Gsvolu("UTPP","BOX ",idtmed[1301-1],parBox,kNparBox);
2545   xpos      =  0.0;
2546   ypos      =  0.0;
2547   zpos      = 18.0;
2548   gMC->Gspos("UTPP",1,"UTF1", xpos,ypos,zpos,0,"ONLY");
2549
2550   //
2551   // Electronics boxes
2552   //
2553
2554   // Casing (INOX)
2555   parBox[0] = 60.0/2.0;
2556   parBox[1] = 10.0/2.0;
2557   parBox[2] =  6.0/2.0;
2558   gMC->Gsvolu("UTE1","BOX ",idtmed[1308-1],parBox,kNparBox);
2559   // Interior (air)
2560   parBox[0] = parBox[0] - 0.5;
2561   parBox[1] = parBox[1] - 0.5;
2562   parBox[2] = parBox[2] - 0.5;
2563   gMC->Gsvolu("UTE2","BOX ",idtmed[1302-1],parBox,kNparBox);
2564   xpos      = 0.0;
2565   ypos      = 0.0;
2566   zpos      = 0.0;
2567   gMC->Gspos("UTE2",1,"UTE1",xpos,ypos,zpos,0,"ONLY");
2568   xpos      = 0.0;
2569   ypos      =  fgkSlength/2.0 - 10.0/2.0 - 3.0;
2570   zpos      = -fgkSheight/2.0 +  6.0/2.0 + 1.0;
2571   gMC->Gspos("UTE1",1,"UTI1", xpos,ypos,zpos,0,"ONLY");
2572   gMC->Gspos("UTE1",2,"UTI2", xpos,ypos,zpos,0,"ONLY");
2573   gMC->Gspos("UTE1",3,"UTI3", xpos,ypos,zpos,0,"ONLY");
2574
2575   // Casing (INOX)
2576   parBox[0] = 50.0/2.0;
2577   parBox[1] = 15.0/2.0;
2578   parBox[2] = 20.0/2.0;
2579   gMC->Gsvolu("UTE3","BOX ",idtmed[1308-1],parBox,kNparBox);
2580   // Interior (air)
2581   parBox[0] = parBox[0] - 0.5;
2582   parBox[1] = parBox[1] - 0.5;
2583   parBox[2] = parBox[2] - 0.5;
2584   gMC->Gsvolu("UTE4","BOX ",idtmed[1302-1],parBox,kNparBox);
2585   xpos      = 0.0;
2586   ypos      = 0.0;
2587   zpos      = 0.0;
2588   gMC->Gspos("UTE4",1,"UTE3",xpos,ypos,zpos,0,"ONLY");
2589   xpos      = 0.0;
2590   ypos      = -fgkSlength/2.0 + 15.0/2.0 + 3.0;
2591   zpos      = -fgkSheight/2.0 + 20.0/2.0 + 1.0;
2592   gMC->Gspos("UTE3",1,"UTI1", xpos,ypos,zpos,0,"ONLY");
2593   gMC->Gspos("UTE3",2,"UTI2", xpos,ypos,zpos,0,"ONLY");
2594   gMC->Gspos("UTE3",3,"UTI3", xpos,ypos,zpos,0,"ONLY");
2595
2596   // Casing (INOX)
2597   parBox[0] = 20.0/2.0;
2598   parBox[1] =  7.0/2.0;
2599   parBox[2] = 20.0/2.0;
2600   gMC->Gsvolu("UTE5","BOX ",idtmed[1308-1],parBox,kNparBox);
2601   // Interior (air)
2602   parBox[0] = parBox[0] - 0.5;
2603   parBox[1] = parBox[1] - 0.5;
2604   parBox[2] = parBox[2] - 0.5;
2605   gMC->Gsvolu("UTE6","BOX ",idtmed[1302-1],parBox,kNparBox);
2606   xpos      = 0.0;
2607   ypos      = 0.0;
2608   zpos      = 0.0;
2609   gMC->Gspos("UTE6",1,"UTE5",xpos,ypos,zpos,0,"ONLY");
2610   xpos      = 20.0;
2611   ypos      = -fgkSlength/2.0 +  7.0/2.0 + 3.0;
2612   zpos      = 0.0;
2613   gMC->Gspos("UTE5",1,"UTI1", xpos,ypos,zpos,0,"ONLY");
2614   gMC->Gspos("UTE5",2,"UTI2", xpos,ypos,zpos,0,"ONLY");
2615   gMC->Gspos("UTE5",3,"UTI3", xpos,ypos,zpos,0,"ONLY");
2616   xpos      = -xpos;
2617   gMC->Gspos("UTE5",4,"UTI1", xpos,ypos,zpos,0,"ONLY");
2618   gMC->Gspos("UTE5",5,"UTI2", xpos,ypos,zpos,0,"ONLY");
2619   gMC->Gspos("UTE5",6,"UTI3", xpos,ypos,zpos,0,"ONLY");
2620
2621 }
2622
2623 //_____________________________________________________________________________
2624 void AliTRDgeometry::AssembleChamber(Int_t ilayer, Int_t istack)
2625 {
2626   //
2627   // Group volumes UA, UD, UF, UU into an assembly that defines the
2628   // alignable volume of a single readout chamber
2629   //
2630
2631   const Int_t kTag = 100;
2632   Char_t  cTagV[kTag];
2633   Char_t  cTagM[kTag];
2634
2635   Double_t xpos = 0.0;
2636   Double_t ypos = 0.0;
2637   Double_t zpos = 0.0;
2638
2639   Int_t idet = GetDetectorSec(ilayer,istack);
2640
2641   // Create the assembly for a given ROC
2642   snprintf(cTagM,kTag,"UT%02d",idet);
2643   TGeoVolume *roc = new TGeoVolumeAssembly(cTagM);
2644
2645   // Add the lower part of the chamber (aluminum frame),
2646   // including radiator and drift region
2647   xpos = 0.0;
2648   ypos = 0.0;
2649   zpos = fgkCraH/2.0 + fgkCdrH/2.0 - fgkCHsv/2.0;
2650   snprintf(cTagV,kTag,"UA%02d",idet);
2651   TGeoVolume *rocA = gGeoManager->GetVolume(cTagV);
2652   roc->AddNode(rocA,1,new TGeoTranslation(xpos,ypos,zpos));
2653
2654   // Add the additional aluminum ledges
2655   xpos = fgkCwidth[ilayer]/2.0 + fgkCalWmod/2.0;
2656   ypos = 0.0;
2657   zpos = fgkCraH + fgkCdrH - fgkCalZpos - fgkCalHmod/2.0 - fgkCHsv/2.0;
2658   snprintf(cTagV,kTag,"UZ%02d",idet);
2659   TGeoVolume *rocZ = gGeoManager->GetVolume(cTagV);
2660   roc->AddNode(rocZ,1,new TGeoTranslation( xpos,ypos,zpos));
2661   roc->AddNode(rocZ,2,new TGeoTranslation(-xpos,ypos,zpos));
2662
2663   // Add the additional wacosit ledges
2664   xpos = fgkCwidth[ilayer]/2.0 + fgkCwsW/2.0;
2665   ypos = 0.0;
2666   zpos = fgkCraH + fgkCdrH - fgkCwsH/2.0 - fgkCHsv/2.0;
2667   snprintf(cTagV,kTag,"UP%02d",idet);
2668   TGeoVolume *rocP = gGeoManager->GetVolume(cTagV);
2669   roc->AddNode(rocP,1,new TGeoTranslation( xpos,ypos,zpos));
2670   roc->AddNode(rocP,2,new TGeoTranslation(-xpos,ypos,zpos));
2671
2672   // Add the middle part of the chamber (G10 frame),
2673   // including amplification region
2674   xpos = 0.0;
2675   ypos = 0.0;
2676   zpos = fgkCamH/2.0 + fgkCraH + fgkCdrH - fgkCHsv/2.0;
2677   snprintf(cTagV,kTag,"UD%02d",idet);
2678   TGeoVolume *rocD = gGeoManager->GetVolume(cTagV);
2679   roc->AddNode(rocD,1,new TGeoTranslation(xpos,ypos,zpos));
2680
2681   // Add the upper part of the chamber (aluminum frame),
2682   // including back panel and FEE
2683   xpos = 0.0;
2684   ypos = 0.0;
2685   zpos = fgkCroH/2.0 + fgkCamH + fgkCraH + fgkCdrH - fgkCHsv/2.0;
2686   snprintf(cTagV,kTag,"UF%02d",idet);
2687   TGeoVolume *rocF = gGeoManager->GetVolume(cTagV);
2688   roc->AddNode(rocF,1,new TGeoTranslation(xpos,ypos,zpos));
2689
2690   // Add the volume with services on top of the back panel
2691   xpos = 0.0;
2692   ypos = 0.0;
2693   zpos = fgkCsvH/2.0 + fgkCroH + fgkCamH + fgkCraH + fgkCdrH - fgkCHsv/2.0;
2694   snprintf(cTagV,kTag,"UU%02d",idet);
2695   TGeoVolume *rocU = gGeoManager->GetVolume(cTagV);
2696   roc->AddNode(rocU,1,new TGeoTranslation(xpos,ypos,zpos));
2697
2698   // Place the ROC assembly into the super modules
2699   xpos = 0.0;
2700   ypos = 0.0;
2701   ypos  = fgkClength[ilayer][0] + fgkClength[ilayer][1] + fgkClength[ilayer][2]/2.0;
2702   for (Int_t ic = 0; ic < istack; ic++) {
2703     ypos -= fgkClength[ilayer][ic];
2704   }
2705   ypos -= fgkClength[ilayer][istack]/2.0;
2706   zpos  = fgkVrocsm + fgkSMpltT + fgkCHsv/2.0 - fgkSheight/2.0
2707         + ilayer * (fgkCH + fgkVspace);
2708   TGeoVolume *sm1 = gGeoManager->GetVolume("UTI1");
2709   TGeoVolume *sm2 = gGeoManager->GetVolume("UTI2");
2710   TGeoVolume *sm3 = gGeoManager->GetVolume("UTI3");
2711   sm1->AddNode(roc,1,new TGeoTranslation(xpos,ypos,zpos));
2712   sm2->AddNode(roc,1,new TGeoTranslation(xpos,ypos,zpos));
2713   if (istack != 2) {
2714     // w/o middle stack
2715     sm3->AddNode(roc,1,new TGeoTranslation(xpos,ypos,zpos));
2716   }
2717
2718 }
2719
2720 //_____________________________________________________________________________
2721 Bool_t AliTRDgeometry::RotateBack(Int_t det
2722                                 , const Double_t * const loc
2723                                 , Double_t *glb) const
2724 {
2725   //
2726   // Rotates a chambers to transform the corresponding local frame
2727   // coordinates <loc> into the coordinates of the ALICE restframe <glb>.
2728   //
2729
2730   Int_t   sector = GetSector(det);
2731   Float_t phi = 2.0 * TMath::Pi() /  (Float_t) fgkNsector * ((Float_t) sector + 0.5);
2732
2733   glb[0] = loc[0] * TMath::Cos(phi) - loc[1] * TMath::Sin(phi);
2734   glb[1] = loc[0] * TMath::Sin(phi) + loc[1] * TMath::Cos(phi);
2735   glb[2] = loc[2];
2736
2737   return kTRUE;
2738
2739 }
2740
2741 //_____________________________________________________________________________
2742 Int_t AliTRDgeometry::GetDetectorSec(Int_t layer, Int_t stack)
2743 {
2744   //
2745   // Convert plane / stack into detector number for one single sector
2746   //
2747
2748   return (layer + stack * fgkNlayer);
2749
2750 }
2751
2752 //_____________________________________________________________________________
2753 Int_t AliTRDgeometry::GetDetector(Int_t layer, Int_t stack, Int_t sector)
2754 {
2755   //
2756   // Convert layer / stack / sector into detector number
2757   //
2758
2759   return (layer + stack * fgkNlayer + sector * fgkNlayer * fgkNstack);
2760
2761 }
2762
2763 //_____________________________________________________________________________
2764 Int_t AliTRDgeometry::GetLayer(Int_t det)
2765 {
2766   //
2767   // Reconstruct the layer number from the detector number
2768   //
2769
2770   return ((Int_t) (det % fgkNlayer));
2771
2772 }
2773
2774 //_____________________________________________________________________________
2775 Int_t AliTRDgeometry::GetStack(Int_t det)
2776 {
2777   //
2778   // Reconstruct the stack number from the detector number
2779   //
2780
2781   return ((Int_t) (det % (fgkNlayer * fgkNstack)) / fgkNlayer);
2782
2783 }
2784
2785 //_____________________________________________________________________________
2786 Int_t AliTRDgeometry::GetStack(Double_t z, Int_t layer)
2787 {
2788   //
2789   // Reconstruct the chamber number from the z position and layer number
2790   //
2791   // The return function has to be protected for positiveness !!
2792   //
2793
2794   if ((layer <          0) ||
2795       (layer >= fgkNlayer)) return -1;
2796
2797   Int_t    istck = fgkNstack;
2798   Double_t zmin  = 0.0;
2799   Double_t zmax  = 0.0;
2800
2801   do {
2802     istck--;
2803     if (istck < 0) break;
2804     AliTRDpadPlane *pp = GetPadPlane(layer,istck);
2805     zmax  = pp->GetRow0();
2806     Int_t nrows = pp->GetNrows();
2807     zmin = zmax -         2 * pp->GetLengthOPad()
2808                 - (nrows-2) * pp->GetLengthIPad()
2809                 - (nrows-1) * pp->GetRowSpacing();
2810   } while((z < zmin) || (z > zmax));
2811
2812   return istck;
2813
2814 }
2815
2816 //_____________________________________________________________________________
2817 Int_t AliTRDgeometry::GetSector(Int_t det)
2818 {
2819   //
2820   // Reconstruct the sector number from the detector number
2821   //
2822
2823   return ((Int_t) (det / (fgkNlayer * fgkNstack)));
2824
2825 }
2826
2827 //_____________________________________________________________________________
2828 AliTRDpadPlane *AliTRDgeometry::GetPadPlane(Int_t layer, Int_t stack)
2829 {
2830   //
2831   // Returns the pad plane for a given plane <pl> and stack <st> number
2832   //
2833
2834   if (!fgPadPlaneArray) {
2835     CreatePadPlaneArray();
2836   }
2837
2838   Int_t ipp = GetDetectorSec(layer,stack);
2839   return ((AliTRDpadPlane *) fgPadPlaneArray->At(ipp));
2840
2841 }
2842
2843 //_____________________________________________________________________________
2844 Int_t AliTRDgeometry::GetRowMax(Int_t layer, Int_t stack, Int_t /*sector*/)
2845 {
2846   //
2847   // Returns the number of rows on the pad plane
2848   //
2849
2850   return GetPadPlane(layer,stack)->GetNrows();
2851
2852 }
2853
2854 //_____________________________________________________________________________
2855 Int_t AliTRDgeometry::GetColMax(Int_t layer)
2856 {
2857   //
2858   // Returns the number of rows on the pad plane
2859   //
2860
2861   return GetPadPlane(layer,0)->GetNcols();
2862
2863 }
2864
2865 //_____________________________________________________________________________
2866 Double_t AliTRDgeometry::GetRow0(Int_t layer, Int_t stack, Int_t /*sector*/)
2867 {
2868   //
2869   // Returns the position of the border of the first pad in a row
2870   //
2871
2872   return GetPadPlane(layer,stack)->GetRow0();
2873
2874 }
2875
2876 //_____________________________________________________________________________
2877 Double_t AliTRDgeometry::GetCol0(Int_t layer)
2878 {
2879   //
2880   // Returns the position of the border of the first pad in a column
2881   //
2882
2883   return GetPadPlane(layer,0)->GetCol0();
2884
2885 }
2886
2887 //_____________________________________________________________________________
2888 Bool_t AliTRDgeometry::CreateClusterMatrixArray()
2889 {
2890   //
2891   // Create the matrices to transform cluster coordinates from the
2892   // local chamber system to the tracking coordinate system
2893   //
2894
2895   if (!gGeoManager) {
2896     return kFALSE;
2897   }
2898
2899   if(fgClusterMatrixArray)
2900     return kTRUE;
2901
2902   TString volPath;
2903   TString vpStr   = "ALIC_1/B077_1/BSEGMO";
2904   TString vpApp1  = "_1/BTRD";
2905   TString vpApp2  = "_1";
2906   TString vpApp3a = "/UTR1_1/UTS1_1/UTI1_1";
2907   TString vpApp3b = "/UTR2_1/UTS2_1/UTI2_1";
2908   TString vpApp3c = "/UTR3_1/UTS3_1/UTI3_1";
2909
2910   fgClusterMatrixArray = new TObjArray(kNdet);
2911   AliAlignObjParams o;
2912
2913   for (Int_t iLayer = AliGeomManager::kTRD1; iLayer <= AliGeomManager::kTRD6; iLayer++) {
2914     for (Int_t iModule = 0; iModule < AliGeomManager::LayerSize(iLayer); iModule++) {
2915
2916       Int_t        isector   = iModule/Nstack();
2917       Int_t        istack    = iModule%Nstack();
2918       Int_t        iLayerTRD = iLayer - AliGeomManager::kTRD1;
2919       Int_t        lid       = GetDetector(iLayerTRD,istack,isector);
2920
2921       // Check for disabled supermodules
2922       volPath  = vpStr;
2923       volPath += isector;
2924       volPath += vpApp1;
2925       volPath += isector;
2926       volPath += vpApp2;
2927       switch (isector) {
2928       case 13:
2929       case 14:
2930       case 15:
2931         // Check for holes in from of PHOS
2932         if (istack == 2) {
2933           continue;
2934         }
2935         volPath += vpApp3c;
2936         break;
2937       case 11:
2938       case 12:
2939         volPath += vpApp3b;
2940         break;
2941       default:
2942         volPath += vpApp3a;
2943       };
2944       if (!gGeoManager->CheckPath(volPath)) {
2945         continue;
2946       }
2947
2948       UShort_t     volid   = AliGeomManager::LayerToVolUID(iLayer,iModule);
2949       const char  *symname = AliGeomManager::SymName(volid);
2950       TGeoPNEntry *pne     = gGeoManager->GetAlignableEntry(symname);
2951       const char  *path    = symname;
2952       if (pne) {
2953         path = pne->GetTitle();
2954       }
2955       else {
2956         continue;
2957       }
2958       if (!strstr(path,"ALIC")) {
2959         AliDebugClass(1,Form("Not a valid path: %s\n",path));
2960         continue;
2961       }
2962       if (!gGeoManager->cd(path)) {
2963         AliErrorClass(Form("Cannot go to path: %s\n",path));
2964         continue;
2965       }
2966       TGeoHMatrix *m         = gGeoManager->GetCurrentMatrix();
2967
2968       TGeoRotation mchange;
2969       mchange.RotateY(90);
2970       mchange.RotateX(90);
2971
2972       //
2973       // Cluster transformation matrix
2974       //
2975       TGeoHMatrix  rotMatrix(mchange.Inverse());
2976       rotMatrix.MultiplyLeft(m);
2977       Double_t sectorAngle = 20.0 * (isector % 18) + 10.0;
2978       TGeoHMatrix  rotSector;
2979       rotSector.RotateZ(sectorAngle);
2980       rotMatrix.MultiplyLeft(&rotSector.Inverse());
2981
2982       fgClusterMatrixArray->AddAt(new TGeoHMatrix(rotMatrix),lid);
2983
2984     }
2985   }
2986
2987   return kTRUE;
2988
2989 }
2990
2991 //_____________________________________________________________________________
2992 TGeoHMatrix *AliTRDgeometry::GetClusterMatrix(Int_t det)
2993 {
2994   //
2995   // Returns the cluster transformation matrix for a given detector
2996   //
2997
2998   if (!fgClusterMatrixArray) {
2999     if (!CreateClusterMatrixArray()) {
3000       return NULL;
3001     }
3002   }
3003   return (TGeoHMatrix *) fgClusterMatrixArray->At(det);
3004
3005 }
3006
3007 //_____________________________________________________________________________
3008 Bool_t AliTRDgeometry::ChamberInGeometry(Int_t det)
3009 {
3010   //
3011   // Checks whether the given detector is part of the current geometry
3012   //
3013
3014   if (!GetClusterMatrix(det)) {
3015     return kFALSE;
3016   }
3017   else {
3018     return kTRUE;
3019   }
3020
3021 }
3022
3023 //_____________________________________________________________________________
3024 Bool_t AliTRDgeometry::IsHole(Int_t /*la*/, Int_t st, Int_t se) const
3025 {
3026   //
3027   // Checks for holes in front of PHOS
3028   //
3029
3030   if (((se == 13) || (se == 14) || (se == 15)) &&
3031       (st == 2)) {
3032     return kTRUE;
3033   }
3034
3035   return kFALSE;
3036
3037 }
3038
3039 //_____________________________________________________________________________
3040 Bool_t AliTRDgeometry::IsOnBoundary(Int_t det, Float_t y, Float_t z, Float_t eps) const
3041 {
3042   //
3043   // Checks whether position is at the boundary of the sensitive volume
3044   //
3045
3046   Int_t ly = GetLayer(det);
3047   if ((ly <          0) ||
3048       (ly >= fgkNlayer)) return kTRUE;
3049
3050   Int_t stk = GetStack(det);
3051   if ((stk <          0) ||
3052       (stk >= fgkNstack)) return kTRUE;
3053
3054   AliTRDpadPlane *pp = (AliTRDpadPlane*) fgPadPlaneArray->At(GetDetectorSec(ly, stk));
3055   if(!pp) return kTRUE;
3056
3057   Double_t max  = pp->GetRow0();
3058   Int_t n = pp->GetNrows();
3059   Double_t min = max - 2 * pp->GetLengthOPad()
3060                  - (n-2) * pp->GetLengthIPad()
3061                  - (n-1) * pp->GetRowSpacing();
3062   if(z < min+eps || z > max-eps){
3063     //printf("z : min[%7.2f (%7.2f)] %7.2f max[(%7.2f) %7.2f]\n", min, min+eps, z, max-eps, max);
3064     return kTRUE;
3065   }
3066   min  = pp->GetCol0();
3067   n = pp->GetNcols();
3068   max = min +2 * pp->GetWidthOPad()
3069        + (n-2) * pp->GetWidthIPad()
3070        + (n-1) * pp->GetColSpacing();
3071   if(y < min+eps || y > max-eps){
3072     //printf("y : min[%7.2f (%7.2f)] %7.2f max[(%7.2f) %7.2f]\n", min, min+eps, y, max-eps, max);
3073     return kTRUE;
3074   }
3075
3076   return kFALSE;
3077
3078 }